21130033132 has 48 divisors (see below), whose sum is σ = 41133444352. Its totient is φ = 9431562240.

The previous prime is 21130033087. The next prime is 21130033151. The reversal of 21130033132 is 23133003112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3209428 + ... + 3216004.

Almost surely, 2^21130033132 is an apocalyptic number.

It is an amenable number.

21130033132 is a deficient number, since it is larger than the sum of its proper divisors (20003411220).

21130033132 is a wasteful number, since it uses less digits than its factorization.

21130033132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8618 (or 8616 counting only the distinct ones).

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

Adding to 21130033132 its reverse (23133003112), we get a palindrome (44263036244).

The spelling of 21130033132 in words is "twenty-one billion, one hundred thirty million, thirty-three thousand, one hundred thirty-two".