23211012210 has 32 divisors (see below), whose sum is σ = 56332350720. Its totient is φ = 6120056448.

The previous prime is 23211012191. The next prime is 23211012229. The reversal of 23211012210 is 1221011232.

It is an interprime number because it is at equal distance from previous prime (23211012191) and next prime (23211012229).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23211012210.

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, 4343962 + ... + 4349301.

It is an arithmetic number, because the mean of its divisors is an integer number (1760385960).

Almost surely, 2^23211012210 is an apocalyptic number.

23211012210 is an abundant number, since it is smaller than the sum of its proper divisors (33121338510).

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

23211012210 is a wasteful number, since it uses less digits than its factorization.

23211012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8693362.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 23211012210 its reverse (1221011232), we get a palindrome (24432023442).

The spelling of 23211012210 in words is "twenty-three billion, two hundred eleven million, twelve thousand, two hundred ten".