111011100112 has 40 divisors (see below), whose sum is σ = 236325186720. Its totient is φ = 50096561280.

The previous prime is 111011100089. The next prime is 111011100131. The reversal of 111011100112 is 211001110111.

It is a congruent number.

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, 2244403 + ... + 2293330.

It is an arithmetic number, because the mean of its divisors is an integer number (5908129668).

Almost surely, 2^111011100112 is an apocalyptic number.

It is an amenable number.

111011100112 is an abundant number, since it is smaller than the sum of its proper divisors (125314086608).

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

111011100112 is a wasteful number, since it uses less digits than its factorization.

111011100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537891 (or 4537885 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111011100112 its reverse (211001110111), we get a palindrome (322012210223).

Subtracting 111011100112 from its reverse (211001110111), we obtain a palindrome (99990009999).

The spelling of 111011100112 in words is "one hundred eleven billion, eleven million, one hundred thousand, one hundred twelve".