111220011112 has 32 divisors (see below), whose sum is σ = 238376056320. Its totient is φ = 47656226880.

The previous prime is 111220011107. The next prime is 111220011151. The reversal of 111220011112 is 211110022111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111220011092 and 111220011101.

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, 89662 + ... + 480082.

It is an arithmetic number, because the mean of its divisors is an integer number (7449251760).

Almost surely, 2^111220011112 is an apocalyptic number.

It is an amenable number.

111220011112 is an abundant number, since it is smaller than the sum of its proper divisors (127156045208).

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

111220011112 is a wasteful number, since it uses less digits than its factorization.

111220011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395521 (or 395517 counting only the distinct ones).

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

Adding to 111220011112 its reverse (211110022111), we get a palindrome (322330033223).

The spelling of 111220011112 in words is "one hundred eleven billion, two hundred twenty million, eleven thousand, one hundred twelve".