111012210112 has 28 divisors (see below), whose sum is σ = 220521129696. Its totient is φ = 55447831040.

The previous prime is 111012210103. The next prime is 111012210149. The reversal of 111012210112 is 211012210111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111012210092 and 111012210101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849064 + ... + 971047.

It is an arithmetic number, because the mean of its divisors is an integer number (7875754632).

Almost surely, 2^111012210112 is an apocalyptic number.

It is an amenable number.

111012210112 is a deficient number, since it is larger than the sum of its proper divisors (109508919584).

111012210112 is an equidigital number, since it uses as much as digits as its factorization.

111012210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821076 (or 1821066 counting only the distinct ones).

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

Adding to 111012210112 its reverse (211012210111), we get a palindrome (322024420223).

Subtracting 111012210112 from its reverse (211012210111), we obtain a palindrome (99999999999).

The spelling of 111012210112 in words is "one hundred eleven billion, twelve million, two hundred ten thousand, one hundred twelve".