111398371 has 8 divisors (see below), whose sum is σ = 127389024. Its totient is φ = 95426880.

The previous prime is 111398359. The next prime is 111398377. The reversal of 111398371 is 173893111.

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

It is a cyclic number.

It is not a de Polignac number, because 111398371 - 2⁹ = 111397859 is a prime.

It is a super-2 number, since 2×111398371² = 24819194122907282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111398377) 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, 11271 + ... + 18703.

It is an arithmetic number, because the mean of its divisors is an integer number (15923628).

Almost surely, 2^111398371 is an apocalyptic number.

111398371 is a deficient number, since it is larger than the sum of its proper divisors (15990653).

111398371 is an equidigital number, since it uses as much as digits as its factorization.

111398371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581.

The product of its digits is 4536, while the sum is 34.

The square root of 111398371 is about 10554.5426712861. The cubic root of 111398371 is about 481.1638006967.

The spelling of 111398371 in words is "one hundred eleven million, three hundred ninety-eight thousand, three hundred seventy-one".