331100121022120 has 32 divisors (see below), whose sum is σ = 744978637345320. Its totient is φ = 132439450178560.

The previous prime is 331100121022063. The next prime is 331100121022261. The reversal of 331100121022120 is 21220121001133.

It can be written as a sum of positive squares in 4 ways, for example, as 238135081003876 + 92965040018244 = 15431626^2 + 9641838^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9674821 + ... + 27491860.

Almost surely, 2^{331100121022120} is an apocalyptic number.

It is an amenable number.

331100121022120 is an abundant number, since it is smaller than the sum of its proper divisors (413878516323200).

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

331100121022120 is a wasteful number, since it uses less digits than its factorization.

331100121022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37389405 (or 37389401 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 331100121022120 its reverse (21220121001133), we get a palindrome (352320242023253).

The spelling of 331100121022120 in words is "three hundred thirty-one trillion, one hundred billion, one hundred twenty-one million, twenty-two thousand, one hundred twenty".