121117356522 has 24 divisors (see below), whose sum is σ = 262427832576. Its totient is φ = 40371391656.

The previous prime is 121117356517. The next prime is 121117356527. The reversal of 121117356522 is 225653711121.

121117356522 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 1 + 73 + 565 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (121117356517) and next prime (121117356527).

It is not an unprimeable number, because it can be changed into a prime (121117356527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 938133 + ... + 1059399.

It is an arithmetic number, because the mean of its divisors is an integer number (10934493024).

Almost surely, 2^121117356522 is an apocalyptic number.

121117356522 is an abundant number, since it is smaller than the sum of its proper divisors (141310476054).

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

121117356522 is a wasteful number, since it uses less digits than its factorization.

121117356522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176762 (or 176759 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The spelling of 121117356522 in words is "one hundred twenty-one billion, one hundred seventeen million, three hundred fifty-six thousand, five hundred twenty-two".