121660204522 has 8 divisors (see below), whose sum is σ = 183435852996. Its totient is φ = 60514920192.

The previous prime is 121660204453. The next prime is 121660204541. The reversal of 121660204522 is 225402066121.

121660204522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 121132537681 + 527666841 = 348041^2 + 22971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×121660204522³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157590553 + ... + 157591324.

Almost surely, 2^121660204522 is an apocalyptic number.

121660204522 is a deficient number, since it is larger than the sum of its proper divisors (61775648474).

121660204522 is a wasteful number, since it uses less digits than its factorization.

121660204522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315182072.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 121660204522 in words is "one hundred twenty-one billion, six hundred sixty million, two hundred four thousand, five hundred twenty-two".