111122100112 has 40 divisors (see below), whose sum is σ = 215818776000. Its totient is φ = 55427079552.

The previous prime is 111122100107. The next prime is 111122100137. The reversal of 111122100112 is 211001221111.

It is a happy number.

It is a super-2 number, since 2×111122100112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111122100092 and 111122100101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15992223 + ... + 15999169.

It is an arithmetic number, because the mean of its divisors is an integer number (5395469400).

Almost surely, 2^111122100112 is an apocalyptic number.

It is an amenable number.

111122100112 is a deficient number, since it is larger than the sum of its proper divisors (104696675888).

111122100112 is a wasteful number, since it uses less digits than its factorization.

111122100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223 (or 9217 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111122100112 its reverse (211001221111), we get a palindrome (322123321223).

The spelling of 111122100112 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred thousand, one hundred twelve".