111100111111122 has 32 divisors (see below), whose sum is σ = 260806438442112. Its totient is φ = 30884972972544.

The previous prime is 111100111111111. The next prime is 111100111111151. The reversal of 111100111111122 is 221111111001111.

It is a happy number.

111100111111122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

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 15 ways as a sum of consecutive naturals, for example, 35746494943 + ... + 35746498050.

It is an arithmetic number, because the mean of its divisors is an integer number (8150201201316).

Almost surely, 2^{111100111111122} is an apocalyptic number.

111100111111122 is an abundant number, since it is smaller than the sum of its proper divisors (149706327330990).

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

111100111111122 is a wasteful number, since it uses less digits than its factorization.

111100111111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71492993042.

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

Adding to 111100111111122 its reverse (221111111001111), we get a palindrome (332211222112233).

The spelling of 111100111111122 in words is "one hundred eleven trillion, one hundred billion, one hundred eleven million, one hundred eleven thousand, one hundred twenty-two".