11112210012112 has 80 divisors (see below), whose sum is σ = 24613540668288. Its totient is φ = 4810659645440.

The previous prime is 11112210012073. The next prime is 11112210012149. The reversal of 11112210012112 is 21121001221111.

It is a super-2 number, since 2×11112210012112² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4947613 + ... + 6833980.

Almost surely, 2^{11112210012112} is an apocalyptic number.

It is an amenable number.

11112210012112 is an abundant number, since it is smaller than the sum of its proper divisors (13501330656176).

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

11112210012112 is a wasteful number, since it uses less digits than its factorization.

11112210012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11781868 (or 11781862 counting only the distinct ones).

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

Adding to 11112210012112 its reverse (21121001221111), we get a palindrome (32233211233223).

The spelling of 11112210012112 in words is "eleven trillion, one hundred twelve billion, two hundred ten million, twelve thousand, one hundred twelve".