121101116980 has 48 divisors (see below), whose sum is σ = 262949996736. Its totient is φ = 46817265920.

The previous prime is 121101116977. The next prime is 121101117029. The reversal of 121101116980 is 89611101121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602374 + ... + 777853.

It is an arithmetic number, because the mean of its divisors is an integer number (5478124932).

Almost surely, 2^121101116980 is an apocalyptic number.

121101116980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121101116980 is an abundant number, since it is smaller than the sum of its proper divisors (141848879756).

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

121101116980 is a wasteful number, since it uses less digits than its factorization.

121101116980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380384 (or 1380382 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 31.

The spelling of 121101116980 in words is "one hundred twenty-one billion, one hundred one million, one hundred sixteen thousand, nine hundred eighty".