2112011112112 has 40 divisors (see below), whose sum is σ = 4503528162000. Its totient is φ = 951509422080.

The previous prime is 2112011112083. The next prime is 2112011112157. The reversal of 2112011112112 is 2112111102112.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53077737 + ... + 53117512.

It is an arithmetic number, because the mean of its divisors is an integer number (112588204050).

Almost surely, 2^{2112011112112} is an apocalyptic number.

2112011112112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2112011112112 is an abundant number, since it is smaller than the sum of its proper divisors (2391517049888).

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

2112011112112 is a wasteful number, since it uses less digits than its factorization.

2112011112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106195381 (or 106195375 counting only the distinct ones).

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

Adding to 2112011112112 its reverse (2112111102112), we get a palindrome (4224122214224).

The spelling of 2112011112112 in words is "two trillion, one hundred twelve billion, eleven million, one hundred twelve thousand, one hundred twelve".