111101490 has 64 divisors (see below), whose sum is σ = 297198720. Its totient is φ = 29534400.

The previous prime is 111101447. The next prime is 111101537. The reversal of 111101490 is 94101111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158140 + ... + 158840.

It is an arithmetic number, because the mean of its divisors is an integer number (4643730).

Almost surely, 2^111101490 is an apocalyptic number.

111101490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111101490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148599360).

111101490 is an abundant number, since it is smaller than the sum of its proper divisors (186097230).

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

111101490 is a wasteful number, since it uses less digits than its factorization.

111101490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1298 counting only the distinct ones).

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

The square root of 111101490 is about 10540.4691546439. The cubic root of 111101490 is about 480.7359803252.

The spelling of 111101490 in words is "one hundred eleven million, one hundred one thousand, four hundred ninety".