The staggering total is the sixth this year to be won in the National Lottery that is worth more than £20 million.
The winning numbers were 04, 54, 03, 59, 02 and 32 and the bonus number was 12.
Andy Carter, senior winners' adviser at the National Lottery, said: "Congratulations to another big Lotto winner in 2016. This is the sixth player to bank a jackpot of more than £20 million this year and continues Lotto's extraordinary run of millionaire making.
"We urge all players to check their tickets to see if they have a life-changing £26.1 million jackpot waiting for them."