111056001 has 12 divisors (see below), whose sum is σ = 172250352. Its totient is φ = 63460488.

The previous prime is 111055963. The next prime is 111056047. The reversal of 111056001 is 100650111.

It is not a de Polignac number, because 111056001 - 2⁷ = 111055873 is a prime.

It is a super-2 number, since 2×111056001² = 24666870716224002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111056081) 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, 377595 + ... + 377888.

It is an arithmetic number, because the mean of its divisors is an integer number (14354196).

Almost surely, 2^111056001 is an apocalyptic number.

It is an amenable number.

111056001 is a deficient number, since it is larger than the sum of its proper divisors (61194351).

111056001 is an equidigital number, since it uses as much as digits as its factorization.

111056001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755500 (or 755493 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 111056001 is about 10538.3111075732. The cubic root of 111056001 is about 480.6703610906.

The spelling of 111056001 in words is "one hundred eleven million, fifty-six thousand, one".