21112332112332 has 18 divisors (see below), whose sum is σ = 53367283950708. Its totient is φ = 7037444037432.

The previous prime is 21112332112279. The next prime is 21112332112363. The reversal of 21112332112332 is 23321123321112.

21112332112332 is a `hidden beast` number, since 2 + 1 + 1 + 1 + 2 + 3 + 321 + 1 + 2 + 332 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 21112332112296 and 21112332112305.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293226834858 + ... + 293226834929.

Almost surely, 2^{21112332112332} is an apocalyptic number.

It is an amenable number.

21112332112332 is an abundant number, since it is smaller than the sum of its proper divisors (32254951838376).

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

21112332112332 is a wasteful number, since it uses less digits than its factorization.

21112332112332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586453669797 (or 586453669792 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 21112332112332 its reverse (23321123321112), we get a palindrome (44433455433444).

The spelling of 21112332112332 in words is "twenty-one trillion, one hundred twelve billion, three hundred thirty-two million, one hundred twelve thousand, three hundred thirty-two".