331020013121022 has 32 divisors (see below), whose sum is σ = 696955489269120. Its totient is φ = 104521948054560.

The previous prime is 331020013121009. The next prime is 331020013121023. The reversal of 331020013121022 is 220121310020133.

It is a self number, because there is not a number n which added to its sum of digits gives 331020013121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331020013121023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147319908 + ... + 149549975.

It is an arithmetic number, because the mean of its divisors is an integer number (21779859039660).

Almost surely, 2^{331020013121022} is an apocalyptic number.

331020013121022 is an abundant number, since it is smaller than the sum of its proper divisors (365935476148098).

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

331020013121022 is a wasteful number, since it uses less digits than its factorization.

331020013121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296879688.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 331020013121022 its reverse (220121310020133), we get a palindrome (551141323141155).

The spelling of 331020013121022 in words is "three hundred thirty-one trillion, twenty billion, thirteen million, one hundred twenty-one thousand, twenty-two".