11112110012012 has 72 divisors (see below), whose sum is σ = 19939578158304. Its totient is φ = 5418493093888.

The previous prime is 11112110012009. The next prime is 11112110012027. The reversal of 11112110012012 is 21021001121111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3542271308 + ... + 3542274444.

It is an arithmetic number, because the mean of its divisors is an integer number (276938585532).

Almost surely, 2^{11112110012012} is an apocalyptic number.

It is an amenable number.

11112110012012 is a deficient number, since it is larger than the sum of its proper divisors (8827468146292).

11112110012012 is a wasteful number, since it uses less digits than its factorization.

11112110012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535 (or 4486 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11112110012012 its reverse (21021001121111), we get a palindrome (32133111133123).

The spelling of 11112110012012 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, twelve thousand, twelve".