23121011220010 has 64 divisors (see below), whose sum is σ = 48075145038720. Its totient is φ = 7912542597120.

The previous prime is 23121011219987. The next prime is 23121011220029. The reversal of 23121011220010 is 1002211012132.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27992626 + ... + 28806754.

It is an arithmetic number, because the mean of its divisors is an integer number (751174141230).

Almost surely, 2^{23121011220010} is an apocalyptic number.

23121011220010 is an abundant number, since it is smaller than the sum of its proper divisors (24954133818710).

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

23121011220010 is a wasteful number, since it uses less digits than its factorization.

23121011220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829351.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 23121011220010 its reverse (1002211012132), we get a palindrome (24123222232142).

The spelling of 23121011220010 in words is "twenty-three trillion, one hundred twenty-one billion, eleven million, two hundred twenty thousand, ten".