111100120092 has 144 divisors (see below), whose sum is σ = 315829899840. Its totient is φ = 32673383424.

The previous prime is 111100120073. The next prime is 111100120099. The reversal of 111100120092 is 290021001111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100120099) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17832834 + ... + 17839062.

Almost surely, 2^111100120092 is an apocalyptic number.

111100120092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111100120092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157914949920).

111100120092 is an abundant number, since it is smaller than the sum of its proper divisors (204729779748).

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

111100120092 is a wasteful number, since it uses less digits than its factorization.

111100120092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932 (or 7927 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 111100120092 in words is "one hundred eleven billion, one hundred million, one hundred twenty thousand, ninety-two".