21113011133232 has 80 divisors (see below), whose sum is σ = 54915151538688. Its totient is φ = 6989575484160.

The previous prime is 21113011133209. The next prime is 21113011133299. The reversal of 21113011133232 is 23233111031112.

It is a super-2 number, since 2×21113011133232² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10185382 + ... + 12081722.

Almost surely, 2^{21113011133232} is an apocalyptic number.

It is an amenable number.

21113011133232 is an abundant number, since it is smaller than the sum of its proper divisors (33802140405456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21113011133232 is a wasteful number, since it uses less digits than its factorization.

21113011133232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897938 (or 1897932 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 21113011133232 its reverse (23233111031112), we get a palindrome (44346122164344).

The spelling of 21113011133232 in words is "twenty-one trillion, one hundred thirteen billion, eleven million, one hundred thirty-three thousand, two hundred thirty-two".