111211210022179 has 2 divisors, whose sum is σ = 111211210022180. Its totient is φ = 111211210022178.

The previous prime is 111211210022119. The next prime is 111211210022183. The reversal of 111211210022179 is 971220012112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111211210022179 - 2¹⁹ = 111211209497891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111211210022179.

It is not a weakly prime, because it can be changed into another prime (111211210022119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605605011089 + 55605605011090.

It is an arithmetic number, because the mean of its divisors is an integer number (55605605011090).

Almost surely, 2^{111211210022179} is an apocalyptic number.

111211210022179 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211210022179 is an equidigital number, since it uses as much as digits as its factorization.

111211210022179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 111211210022179 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred ten million, twenty-two thousand, one hundred seventy-nine".