111098880 has 132 divisors (see below), whose sum is σ = 385114392. Its totient is φ = 29614080.

The previous prime is 111098879. The next prime is 111098887. The reversal of 111098880 is 88890111.

It is a super-2 number, since 2×111098880² = 24685922274508800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111098887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44875 + ... + 47285.

Almost surely, 2^111098880 is an apocalyptic number.

111098880 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 111098880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192557196).

111098880 is an abundant number, since it is smaller than the sum of its proper divisors (274015512).

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

111098880 is a wasteful number, since it uses less digits than its factorization.

111098880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2421 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 36.

The square root of 111098880 is about 10540.3453453860. The cubic root of 111098880 is about 480.7322158071.

The spelling of 111098880 in words is "one hundred eleven million, ninety-eight thousand, eight hundred eighty".