121313320122 has 16 divisors (see below), whose sum is σ = 242631906912. Its totient is φ = 40436895600.

The previous prime is 121313320087. The next prime is 121313320127. The reversal of 121313320122 is 221023313121.

It is not an unprimeable number, because it can be changed into a prime (121313320127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120513 + ... + 507099.

It is an arithmetic number, because the mean of its divisors is an integer number (15164494182).

Almost surely, 2^121313320122 is an apocalyptic number.

121313320122 is an abundant number, since it is smaller than the sum of its proper divisors (121318586790).

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

121313320122 is a wasteful number, since it uses less digits than its factorization.

121313320122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438893.

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

Adding to 121313320122 its reverse (221023313121), we get a palindrome (342336633243).

The spelling of 121313320122 in words is "one hundred twenty-one billion, three hundred thirteen million, three hundred twenty thousand, one hundred twenty-two".