111372227 has 2 divisors, whose sum is σ = 111372228. Its totient is φ = 111372226.

The previous prime is 111372203. The next prime is 111372229. The reversal of 111372227 is 722273111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111372227 - 2²² = 107177923 is a prime.

Together with 111372229, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 111372196 and 111372205.

It is not a weakly prime, because it can be changed into another prime (111372229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55686113 + 55686114.

It is an arithmetic number, because the mean of its divisors is an integer number (55686114).

Almost surely, 2^111372227 is an apocalyptic number.

111372227 is a deficient number, since it is larger than the sum of its proper divisors (1).

111372227 is an equidigital number, since it uses as much as digits as its factorization.

111372227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 111372227 is about 10553.3040797657. The cubic root of 111372227 is about 481.1261564280.

The spelling of 111372227 in words is "one hundred eleven million, three hundred seventy-two thousand, two hundred twenty-seven".