122011110992 has 80 divisors (see below), whose sum is σ = 254037347712. Its totient is φ = 56561541120.

The previous prime is 122011110989. The next prime is 122011111051. The reversal of 122011110992 is 299011110221.

It is a super-2 number, since 2×122011110992² (a number of 23 digits) contains 22 as substring.

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, 36826328 + ... + 36829640.

Almost surely, 2^122011110992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122011110992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127018673856).

122011110992 is an abundant number, since it is smaller than the sum of its proper divisors (132026236720).

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

122011110992 is a wasteful number, since it uses less digits than its factorization.

122011110992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5310 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 122011110992 in words is "one hundred twenty-two billion, eleven million, one hundred ten thousand, nine hundred ninety-two".