22002311312321 has 16 divisors (see below), whose sum is σ = 23242246272000. Its totient is φ = 20770696350288.

The previous prime is 22002311312309. The next prime is 22002311312329. The reversal of 22002311312321 is 12321311320022.

It is not a de Polignac number, because 22002311312321 - 2¹⁸ = 22002311050177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002311312329) 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, 4404230 + ... + 7962528.

It is an arithmetic number, because the mean of its divisors is an integer number (1452640392000).

Almost surely, 2^{22002311312321} is an apocalyptic number.

It is an amenable number.

22002311312321 is a deficient number, since it is larger than the sum of its proper divisors (1239934959679).

22002311312321 is a wasteful number, since it uses less digits than its factorization.

22002311312321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559468.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22002311312321 its reverse (12321311320022), we get a palindrome (34323622632343).

The spelling of 22002311312321 in words is "twenty-two trillion, two billion, three hundred eleven million, three hundred twelve thousand, three hundred twenty-one".