2331323002221 has 24 divisors (see below), whose sum is σ = 3169561428096. Its totient is φ = 1524228950400.

The previous prime is 2331323002189. The next prime is 2331323002231. The reversal of 2331323002221 is 1222003231332.

It is not a de Polignac number, because 2331323002221 - 2⁵ = 2331323002189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331323002191 and 2331323002200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331323002231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19753041 + ... + 19870713.

It is an arithmetic number, because the mean of its divisors is an integer number (132065059504).

Almost surely, 2^{2331323002221} is an apocalyptic number.

It is an amenable number.

2331323002221 is a deficient number, since it is larger than the sum of its proper divisors (838238425875).

2331323002221 is a wasteful number, since it uses less digits than its factorization.

2331323002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120133 (or 120080 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2331323002221 its reverse (1222003231332), we get a palindrome (3553326233553).

The spelling of 2331323002221 in words is "two trillion, three hundred thirty-one billion, three hundred twenty-three million, two thousand, two hundred twenty-one".