111122100120195 has 64 divisors (see below), whose sum is σ = 204648700538880. Its totient is φ = 57149236972800.

The previous prime is 111122100120173. The next prime is 111122100120221. The reversal of 111122100120195 is 591021001221111.

It is not a de Polignac number, because 111122100120195 - 2¹⁸ = 111122099858051 is a prime.

It is a super-2 number, since 2×111122100120195² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46070409 + ... + 48422378.

It is an arithmetic number, because the mean of its divisors is an integer number (3197635945920).

Almost surely, 2^{111122100120195} is an apocalyptic number.

111122100120195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111122100120195 is a deficient number, since it is larger than the sum of its proper divisors (93526600418685).

111122100120195 is a wasteful number, since it uses less digits than its factorization.

111122100120195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94493113 (or 94493107 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 27.

The spelling of 111122100120195 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred million, one hundred twenty thousand, one hundred ninety-five".