23312121022001 has 16 divisors (see below), whose sum is σ = 26980029811200. Its totient is φ = 19728620428608.

The previous prime is 23312121021989. The next prime is 23312121022009. The reversal of 23312121022001 is 10022012121332.

It is not a de Polignac number, because 23312121022001 - 2²² = 23312116827697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23312121022009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49018511 + ... + 49491803.

It is an arithmetic number, because the mean of its divisors is an integer number (1686251863200).

Almost surely, 2^{23312121022001} is an apocalyptic number.

It is an amenable number.

23312121022001 is a deficient number, since it is larger than the sum of its proper divisors (3667908789199).

23312121022001 is an equidigital number, since it uses as much as digits as its factorization.

23312121022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562448.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23312121022001 its reverse (10022012121332), we get a palindrome (33334133143333).

The spelling of 23312121022001 in words is "twenty-three trillion, three hundred twelve billion, one hundred twenty-one million, twenty-two thousand, one".