21112333231032 has 80 divisors (see below), whose sum is σ = 61705128569040. Its totient is φ = 6731468561664.

The previous prime is 21112333231019. The next prime is 21112333231063. The reversal of 21112333231032 is 23013233321112.

21112333231032 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 233 + 323 + 103 + 2 = 666.

It is a super-2 number, since 2×21112333231032² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 21112333230987 and 21112333231005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 708262513 + ... + 708292320.

It is an arithmetic number, because the mean of its divisors is an integer number (771314107113).

Almost surely, 2^{21112333231032} is an apocalyptic number.

It is an amenable number.

21112333231032 is an abundant number, since it is smaller than the sum of its proper divisors (40592795338008).

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

21112333231032 is a wasteful number, since it uses less digits than its factorization.

21112333231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416554874 (or 1416554861 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 21112333231032 its reverse (23013233321112), we get a palindrome (44125566552144).

The spelling of 21112333231032 in words is "twenty-one trillion, one hundred twelve billion, three hundred thirty-three million, two hundred thirty-one thousand, thirty-two".