121115320104 has 32 divisors (see below), whose sum is σ = 302798160000. Its totient is φ = 40370458752.

The previous prime is 121115320037. The next prime is 121115320133. The reversal of 121115320104 is 401023511121.

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, 919372 + ... + 1042820.

It is an arithmetic number, because the mean of its divisors is an integer number (9462442500).

Almost surely, 2^121115320104 is an apocalyptic number.

It is an amenable number.

121115320104 is an abundant number, since it is smaller than the sum of its proper divisors (181682839896).

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

121115320104 is a wasteful number, since it uses less digits than its factorization.

121115320104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164337 (or 164333 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 121115320104 its reverse (401023511121), we get a palindrome (522138831225).

The spelling of 121115320104 in words is "one hundred twenty-one billion, one hundred fifteen million, three hundred twenty thousand, one hundred four".