331121221010032 has 20 divisors (see below), whose sum is σ = 641547975065040. Its totient is φ = 165560453251328.

The previous prime is 331121221009993. The next prime is 331121221010071. The reversal of 331121221010032 is 230010122121133.

It is an interprime number because it is at equal distance from previous prime (331121221009993) and next prime (331121221010071).

It is a junction number, because it is equal to n+sod(n) for n = 331121221009985 and 331121221010012.

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, 8589093 + ... + 27129595.

It is an arithmetic number, because the mean of its divisors is an integer number (32077398753252).

Almost surely, 2^{331121221010032} is an apocalyptic number.

It is an amenable number.

331121221010032 is a deficient number, since it is larger than the sum of its proper divisors (310426754055008).

331121221010032 is a wasteful number, since it uses less digits than its factorization.

331121221010032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656720 (or 19656714 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 331121221010032 its reverse (230010122121133), we get a palindrome (561131343131165).

The spelling of 331121221010032 in words is "three hundred thirty-one trillion, one hundred twenty-one billion, two hundred twenty-one million, ten thousand, thirty-two".