121102222180 has 12 divisors (see below), whose sum is σ = 254314666620. Its totient is φ = 48440888864.

The previous prime is 121102222177. The next prime is 121102222181. The reversal of 121102222180 is 81222201121.

121102222180 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 36410745856 + 84691476324 = 190816^2 + 291018^2 .

It is not an unprimeable number, because it can be changed into a prime (121102222181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027555535 + ... + 3027555574.

It is an arithmetic number, because the mean of its divisors is an integer number (21192888885).

Almost surely, 2^121102222180 is an apocalyptic number.

121102222180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102222180 is an abundant number, since it is smaller than the sum of its proper divisors (133212444440).

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

121102222180 is a wasteful number, since it uses less digits than its factorization.

121102222180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055111118 (or 6055111116 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The spelling of 121102222180 in words is "one hundred twenty-one billion, one hundred two million, two hundred twenty-two thousand, one hundred eighty".