331221230112112 has 20 divisors (see below), whose sum is σ = 645101034569856. Its totient is φ = 164743543771520.

The previous prime is 331221230112107. The next prime is 331221230112187. The reversal of 331221230112112 is 211211032122133.

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, 54191952133 + ... + 54191958244.

Almost surely, 2^{331221230112112} is an apocalyptic number.

It is an amenable number.

331221230112112 is a deficient number, since it is larger than the sum of its proper divisors (313879804457744).

331221230112112 is a wasteful number, since it uses less digits than its factorization.

331221230112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108383910576 (or 108383910570 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 331221230112112 its reverse (211211032122133), we get a palindrome (542432262234245).

The spelling of 331221230112112 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, two hundred thirty million, one hundred twelve thousand, one hundred twelve".