111090001 has 8 divisors (see below), whose sum is σ = 122390208. Its totient is φ = 99990000.

The previous prime is 111089971. The next prime is 111090041. The reversal of 111090001 is 100090111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111090001 - 2¹⁷ = 110958929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111090041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48885 + ... + 51106.

It is an arithmetic number, because the mean of its divisors is an integer number (15298776).

Almost surely, 2^111090001 is an apocalyptic number.

111090001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111090001 is a deficient number, since it is larger than the sum of its proper divisors (11300207).

111090001 is a wasteful number, since it uses less digits than its factorization.

111090001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100103.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 111090001 is about 10539.9241458371. The cubic root of 111090001 is about 480.7194087921.

The spelling of 111090001 in words is "one hundred eleven million, ninety thousand, one".