331221102023120 has 20 divisors (see below), whose sum is σ = 770089062203940. Its totient is φ = 132488440809216.

The previous prime is 331221102023041. The next prime is 331221102023131. The reversal of 331221102023120 is 21320201122133.

It can be written as a sum of positive squares in 2 ways, for example, as 115160971390864 + 216060130632256 = 10731308^2 + 14698984^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2070131887565 + ... + 2070131887724.

It is an arithmetic number, because the mean of its divisors is an integer number (38504453110197).

Almost surely, 2^{331221102023120} is an apocalyptic number.

It is an amenable number.

331221102023120 is an abundant number, since it is smaller than the sum of its proper divisors (438867960180820).

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

331221102023120 is a wasteful number, since it uses less digits than its factorization.

331221102023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140263775302 (or 4140263775296 counting only the distinct ones).

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

Adding to 331221102023120 its reverse (21320201122133), we get a palindrome (352541303145253).

The spelling of 331221102023120 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, one hundred two million, twenty-three thousand, one hundred twenty".