331120111012 has 24 divisors (see below), whose sum is σ = 583172134272. Its totient is φ = 164500048800.

The previous prime is 331120111009. The next prime is 331120111019. The reversal of 331120111012 is 210111021133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (331120111019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2424837 + ... + 2557747.

It is an arithmetic number, because the mean of its divisors is an integer number (24298838928).

Almost surely, 2^331120111012 is an apocalyptic number.

It is an amenable number.

331120111012 is a deficient number, since it is larger than the sum of its proper divisors (252052023260).

331120111012 is a wasteful number, since it uses less digits than its factorization.

331120111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136899 (or 136897 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 331120111012 its reverse (210111021133), we get a palindrome (541231132145).

The spelling of 331120111012 in words is "three hundred thirty-one billion, one hundred twenty million, one hundred eleven thousand, twelve".