22331002321201 has 6 divisors (see below), whose sum is σ = 25976880251250. Its totient is φ = 19140859132416.

The previous prime is 22331002321181. The next prime is 22331002321231. The reversal of 22331002321201 is 10212320013322.

It can be written as a sum of positive squares in only one way, i.e., 12786517278976 + 9544485042225 = 3575824^2 + 3089415^2 .

It is not a de Polignac number, because 22331002321201 - 2²³ = 22330993932593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22331002321231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227867370576 + ... + 227867370673.

It is an arithmetic number, because the mean of its divisors is an integer number (4329480041875).

Almost surely, 2^{22331002321201} is an apocalyptic number.

It is an amenable number.

22331002321201 is a deficient number, since it is larger than the sum of its proper divisors (3645877930049).

22331002321201 is an equidigital number, since it uses as much as digits as its factorization.

22331002321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455734741263 (or 455734741256 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22331002321201 its reverse (10212320013322), we get a palindrome (32543322334523).

The spelling of 22331002321201 in words is "twenty-two trillion, three hundred thirty-one billion, two million, three hundred twenty-one thousand, two hundred one".