111110110980 has 144 divisors (see below), whose sum is σ = 347759334720. Its totient is φ = 26479143680.

The previous prime is 111110110949. The next prime is 111110110981. The reversal of 111110110980 is 89011011111.

It is a super-3 number, since 3×111110110980³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111110110980.

It is not an unprimeable number, because it can be changed into a prime (111110110981) 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, 298642 + ... + 558038.

It is an arithmetic number, because the mean of its divisors is an integer number (2414995380).

Almost surely, 2^111110110980 is an apocalyptic number.

111110110980 is a gapful number since it is divisible by the number (10) 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 111110110980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173879667360).

111110110980 is an abundant number, since it is smaller than the sum of its proper divisors (236649223740).

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

111110110980 is a wasteful number, since it uses less digits than its factorization.

111110110980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259490 (or 259477 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 24.

The spelling of 111110110980 in words is "one hundred eleven billion, one hundred ten million, one hundred ten thousand, nine hundred eighty".