111111101121179 has 2 divisors, whose sum is σ = 111111101121180. Its totient is φ = 111111101121178.

The previous prime is 111111101121047. The next prime is 111111101121187. The reversal of 111111101121179 is 971121101111111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111111101121179 is a prime.

It is not a weakly prime, because it can be changed into another prime (111111101120179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555550560589 + 55555550560590.

It is an arithmetic number, because the mean of its divisors is an integer number (55555550560590).

Almost surely, 2^{111111101121179} is an apocalyptic number.

111111101121179 is a deficient number, since it is larger than the sum of its proper divisors (1).

111111101121179 is an equidigital number, since it uses as much as digits as its factorization.

111111101121179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 29.

The spelling of 111111101121179 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred one million, one hundred twenty-one thousand, one hundred seventy-nine".