111155722199 has 2 divisors, whose sum is σ = 111155722200. Its totient is φ = 111155722198.

The previous prime is 111155722193. The next prime is 111155722213. The reversal of 111155722199 is 991227551111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111155722199 is a prime.

It is a super-2 number, since 2×111155722199² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111155722193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55577861099 + 55577861100.

It is an arithmetic number, because the mean of its divisors is an integer number (55577861100).

Almost surely, 2^111155722199 is an apocalyptic number.

111155722199 is a deficient number, since it is larger than the sum of its proper divisors (1).

111155722199 is an equidigital number, since it uses as much as digits as its factorization.

111155722199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 44.

The spelling of 111155722199 in words is "one hundred eleven billion, one hundred fifty-five million, seven hundred twenty-two thousand, one hundred ninety-nine".