331102121012 has 36 divisors (see below), whose sum is σ = 627493417740. Its totient is φ = 152800607232.

The previous prime is 331102120969. The next prime is 331102121027. The reversal of 331102121012 is 210121201133.

It can be written as a sum of positive squares in 6 ways, for example, as 72342709156 + 258759411856 = 268966^2 + 508684^2 .

It is a super-2 number, since 2×331102121012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8832164 + ... + 8869572.

It is an arithmetic number, because the mean of its divisors is an integer number (17430372715).

Almost surely, 2^331102121012 is an apocalyptic number.

It is an amenable number.

331102121012 is a deficient number, since it is larger than the sum of its proper divisors (296391296728).

331102121012 is a wasteful number, since it uses less digits than its factorization.

331102121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50532 (or 50517 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 331102121012 its reverse (210121201133), we get a palindrome (541223322145).

The spelling of 331102121012 in words is "three hundred thirty-one billion, one hundred two million, one hundred twenty-one thousand, twelve".