121077899513188 has 24 divisors (see below), whose sum is σ = 212604290465504. Its totient is φ = 60333950476800.

The previous prime is 121077899513183. The next prime is 121077899513201. The reversal of 121077899513188 is 881315998770121.

It is not an unprimeable number, because it can be changed into a prime (121077899513183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13126845 + ... + 20358532.

Almost surely, 2^{121077899513188} is an apocalyptic number.

It is an amenable number.

121077899513188 is a deficient number, since it is larger than the sum of its proper divisors (91526390952316).

121077899513188 is a wasteful number, since it uses less digits than its factorization.

121077899513188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33488443 (or 33488441 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 70.

The spelling of 121077899513188 in words is "one hundred twenty-one trillion, seventy-seven billion, eight hundred ninety-nine million, five hundred thirteen thousand, one hundred eighty-eight".