121013164552 has 16 divisors (see below), whose sum is σ = 259313924160. Its totient is φ = 51862784784.

The previous prime is 121013164549. The next prime is 121013164709. The reversal of 121013164552 is 255461310121.

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, 1080474628 + ... + 1080474739.

It is an arithmetic number, because the mean of its divisors is an integer number (16207120260).

Almost surely, 2^121013164552 is an apocalyptic number.

It is an amenable number.

121013164552 is an abundant number, since it is smaller than the sum of its proper divisors (138300759608).

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

121013164552 is a wasteful number, since it uses less digits than its factorization.

121013164552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160949380 (or 2160949376 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 121013164552 its reverse (255461310121), we get a palindrome (376474474673).

The spelling of 121013164552 in words is "one hundred twenty-one billion, thirteen million, one hundred sixty-four thousand, five hundred fifty-two".