21130133032 has 32 divisors (see below), whose sum is σ = 40368016800. Its totient is φ = 10366017984.

The previous prime is 21130133029. The next prime is 21130133159. The reversal of 21130133032 is 23033103112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204058 + ... + 289654.

It is an arithmetic number, because the mean of its divisors is an integer number (1261500525).

Almost surely, 2^21130133032 is an apocalyptic number.

It is an amenable number.

21130133032 is a deficient number, since it is larger than the sum of its proper divisors (19237883768).

21130133032 is a wasteful number, since it uses less digits than its factorization.

21130133032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86185 (or 86181 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21130133032 its reverse (23033103112), we get a palindrome (44163236144).

The spelling of 21130133032 in words is "twenty-one billion, one hundred thirty million, one hundred thirty-three thousand, thirty-two".