121177504401 has 16 divisors (see below), whose sum is σ = 161736523200. Its totient is φ = 80701795328.

The previous prime is 121177504397. The next prime is 121177504471. The reversal of 121177504401 is 104405771121.

It is a cyclic number.

It is not a de Polignac number, because 121177504401 - 2² = 121177504397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121177504471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14475145 + ... + 14483513.

It is an arithmetic number, because the mean of its divisors is an integer number (10108532700).

Almost surely, 2^121177504401 is an apocalyptic number.

It is an amenable number.

121177504401 is a deficient number, since it is larger than the sum of its proper divisors (40559018799).

121177504401 is a wasteful number, since it uses less digits than its factorization.

121177504401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12768.

The product of its (nonzero) digits is 7840, while the sum is 33.

The spelling of 121177504401 in words is "one hundred twenty-one billion, one hundred seventy-seven million, five hundred four thousand, four hundred one".