21133032332 has 12 divisors (see below), whose sum is σ = 37982342160. Its totient is φ = 10280934576.

The previous prime is 21133032317. The next prime is 21133032341. The reversal of 21133032332 is 23323033112.

It is a junction number, because it is equal to n+sod(n) for n = 21133032298 and 21133032307.

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, 71395232 + ... + 71395527.

It is an arithmetic number, because the mean of its divisors is an integer number (3165195180).

Almost surely, 2^21133032332 is an apocalyptic number.

It is an amenable number.

21133032332 is a deficient number, since it is larger than the sum of its proper divisors (16849309828).

21133032332 is a wasteful number, since it uses less digits than its factorization.

21133032332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142790800 (or 142790798 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21133032332 its reverse (23323033112), we get a palindrome (44456065444).

The spelling of 21133032332 in words is "twenty-one billion, one hundred thirty-three million, thirty-two thousand, three hundred thirty-two".