111222222179 has 2 divisors, whose sum is σ = 111222222180. Its totient is φ = 111222222178.

The previous prime is 111222222149. The next prime is 111222222191. The reversal of 111222222179 is 971222222111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111222222179 - 2¹² = 111222218083 is a prime.

It is not a weakly prime, because it can be changed into another prime (111222222149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611111089 + 55611111090.

It is an arithmetic number, because the mean of its divisors is an integer number (55611111090).

Almost surely, 2^111222222179 is an apocalyptic number.

111222222179 is a deficient number, since it is larger than the sum of its proper divisors (1).

111222222179 is an equidigital number, since it uses as much as digits as its factorization.

111222222179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The spelling of 111222222179 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred seventy-nine".