21211013032 has 32 divisors (see below), whose sum is σ = 43395458400. Its totient is φ = 9639304000.

The previous prime is 21211013017. The next prime is 21211013041. The reversal of 21211013032 is 23031011212.

It is a junction number, because it is equal to n+sod(n) for n = 21211012997 and 21211013015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433407 + ... + 479857.

It is an arithmetic number, because the mean of its divisors is an integer number (1356108075).

Almost surely, 2^21211013032 is an apocalyptic number.

21211013032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21211013032 is an abundant number, since it is smaller than the sum of its proper divisors (22184445368).

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

21211013032 is a wasteful number, since it uses less digits than its factorization.

21211013032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51657 (or 51653 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21211013032 its reverse (23031011212), we get a palindrome (44242024244).

The spelling of 21211013032 in words is "twenty-one billion, two hundred eleven million, thirteen thousand, thirty-two".