21020112110232 has 96 divisors (see below), whose sum is σ = 56980837368000. Its totient is φ = 7000383436800.

The previous prime is 21020112110213. The next prime is 21020112110243. The reversal of 21020112110232 is 23201121102012.

21020112110232 is a `hidden beast` number, since 21 + 0 + 201 + 1 + 211 + 0 + 232 = 666.

It is a super-2 number, since 2×21020112110232² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1371256744 + ... + 1371272072.

It is an arithmetic number, because the mean of its divisors is an integer number (593550389250).

Almost surely, 2^{21020112110232} is an apocalyptic number.

It is an amenable number.

21020112110232 is an abundant number, since it is smaller than the sum of its proper divisors (35960725257768).

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

21020112110232 is a wasteful number, since it uses less digits than its factorization.

21020112110232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31281 (or 31274 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 21020112110232 its reverse (23201121102012), we get a palindrome (44221233212244).

The spelling of 21020112110232 in words is "twenty-one trillion, twenty billion, one hundred twelve million, one hundred ten thousand, two hundred thirty-two".