111102122222112 has 96 divisors (see below), whose sum is σ = 340397991585792. Its totient is φ = 31068070642944.

The previous prime is 111102122222101. The next prime is 111102122222167. The reversal of 111102122222112 is 211222221201111.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×111102122222112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1758803938 + ... + 1758867105.

It is an arithmetic number, because the mean of its divisors is an integer number (3545812412352).

Almost surely, 2^{111102122222112} is an apocalyptic number.

111102122222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111102122222112 is an abundant number, since it is smaller than the sum of its proper divisors (229295869363680).

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

111102122222112 is a wasteful number, since it uses less digits than its factorization.

111102122222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517671110 (or 3517671102 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 111102122222112 its reverse (211222221201111), we get a palindrome (322324343423223).

The spelling of 111102122222112 in words is "one hundred eleven trillion, one hundred two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".