'Some of them are protesting in my favour, you know that?' he insisted.
Tens of thousands of protesters marched through London on Friday to demonstrate against the USA president's visit.
Spearheading the group is Former Vice President Joe Biden, who has used his vast political network and decades of experience to reassert himself as a party leader and a vocal critic of Trump's agenda.
During the interview, Trump suggested he would run for a second term in 2020.
Trump said his mother, Mary Anne Trump, who died in 2000 at the age of 88, was a "tremendous fan" of the Queen.
Of his upcoming meeting with Putin on Monday, Trump was more guarded.
Mueller indicted 12 Russians on Friday, prompting angry tweets from the president before and after a round of golf on Saturday. They arrived amidst fierce demonstrations complete with a giant Trump baby blimp balloon in London just a few miles away.
Some 1.86 million people in Britain signed a petition in June past year, wanting to prevent Mr Trump from making a state visit "because it would cause embarrassment to Her Majesty the Queen".
France v Croatia 14 July 2018
But perhaps feeling complacent after beating Germany in the semi-finals, France flopped. "I think that our team is quite calm". It's now time for the final, the match that will decide who becomes the latest side to lift the coveted Jules Rimet trophy.
The interview was conducted on Friday but published on Sunday.
The dog bowl that appeared in the background of the Queen's photo with Donald and Melania Trump had appeared to have been removed 24 hours later.
"It was a very easy talk", he said. "We had a great, a great feeling".
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"She said it's a very - and she's right - it's a very complex problem, I think nobody had any idea how complex that was going to be", Trump said. So usually that helps. I actually told Theresa May how to do it, but she didn't agree, she didn't listen to me. "Everyone thought it was going to be, "Oh it's simple, we join or don't join, or let's see what happens".
Speaking to journalist Piers Morgan aboard Air Force One, Trump spared no compliments for the Queen.
"You don't wanna do that..." I think she represents her country so well", he said, adding: "If you think of it, for so many years she has represented her country, she has really never made a mistake.
"I'll see something where somebody says something wrong, or says something right, and rather than sitting around doing nothing, I'll be able to put out something", he told Morgan.