111122201111112 has 48 divisors (see below), whose sum is σ = 301069658859840. Its totient is φ = 37026740163168.

The previous prime is 111122201111071. The next prime is 111122201111123. The reversal of 111122201111112 is 211111102221111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291340188 + ... + 291721355.

It is an arithmetic number, because the mean of its divisors is an integer number (6272284559580).

Almost surely, 2^{111122201111112} is an apocalyptic number.

111122201111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111122201111112 is an abundant number, since it is smaller than the sum of its proper divisors (189947457748728).

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

111122201111112 is a wasteful number, since it uses less digits than its factorization.

111122201111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583064202 (or 583064195 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 111122201111112 its reverse (211111102221111), we get a palindrome (322233303332223).

The spelling of 111122201111112 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred twelve".