111080901 has 4 divisors (see below), whose sum is σ = 148107872. Its totient is φ = 74053932.

The previous prime is 111080867. The next prime is 111080903. The reversal of 111080901 is 109080111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111080901 - 2⁷ = 111080773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111080903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18513481 + ... + 18513486.

It is an arithmetic number, because the mean of its divisors is an integer number (37026968).

Almost surely, 2^111080901 is an apocalyptic number.

It is an amenable number.

111080901 is a deficient number, since it is larger than the sum of its proper divisors (37026971).

111080901 is an equidigital number, since it uses as much as digits as its factorization.

111080901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37026970.

The product of its (nonzero) digits is 72, while the sum is 21.

The square root of 111080901 is about 10539.4924450848. The cubic root of 111080901 is about 480.7062823000.

The spelling of 111080901 in words is "one hundred eleven million, eighty thousand, nine hundred one".