21110082674 has 8 divisors (see below), whose sum is σ = 31666360428. Its totient is φ = 10554629200.

The previous prime is 21110082667. The next prime is 21110082689. The reversal of 21110082674 is 47628001112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21101920225 + 8162449 = 145265^2 + 2857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21110082674² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21110082674.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137477 + ... + 247224.

Almost surely, 2^21110082674 is an apocalyptic number.

21110082674 is a deficient number, since it is larger than the sum of its proper divisors (10556277754).

21110082674 is a wasteful number, since it uses less digits than its factorization.

21110082674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412140.

The product of its (nonzero) digits is 5376, while the sum is 32.

Adding to 21110082674 its reverse (47628001112), we get a palindrome (68738083786).

The spelling of 21110082674 in words is "twenty-one billion, one hundred ten million, eighty-two thousand, six hundred seventy-four".