121011122122112 has 64 divisors (see below), whose sum is σ = 251563563704160. Its totient is φ = 57873707274240.

The previous prime is 121011122122097. The next prime is 121011122122157. The reversal of 121011122122112 is 211221221110121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154029812 + ... + 154813452.

Almost surely, 2^{121011122122112} is an apocalyptic number.

It is an amenable number.

121011122122112 is an abundant number, since it is smaller than the sum of its proper divisors (130552441582048).

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

121011122122112 is an equidigital number, since it uses as much as digits as its factorization.

121011122122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836131 (or 836119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 121011122122112 its reverse (211221221110121), we get a palindrome (332232343232233).

The spelling of 121011122122112 in words is "one hundred twenty-one trillion, eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".