111110111101122 has 96 divisors (see below), whose sum is σ = 274642335616320. Its totient is φ = 29822657880960.

The previous prime is 111110111101109. The next prime is 111110111101141. The reversal of 111110111101122 is 221101111011111.

It is a happy number.

It is a super-3 number, since 3×111110111101122³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175791504 + ... + 176422427.

It is an arithmetic number, because the mean of its divisors is an integer number (2860857662670).

Almost surely, 2^{111110111101122} is an apocalyptic number.

111110111101122 is an abundant number, since it is smaller than the sum of its proper divisors (163532224515198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111110111101122 is a wasteful number, since it uses less digits than its factorization.

111110111101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352214016 (or 352214009 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 111110111101122 its reverse (221101111011111), we get a palindrome (332211222112233).

The spelling of 111110111101122 in words is "one hundred eleven trillion, one hundred ten billion, one hundred eleven million, one hundred one thousand, one hundred twenty-two".