11112111112112 has 40 divisors (see below), whose sum is σ = 22683904399104. Its totient is φ = 5262890935104.

The previous prime is 11112111112087. The next prime is 11112111112133. The reversal of 11112111112112 is 21121111121111.

It is a happy number.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

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, 146544398 + ... + 146620205.

Almost surely, 2^{11112111112112} is an apocalyptic number.

It is an amenable number.

11112111112112 is an abundant number, since it is smaller than the sum of its proper divisors (11571793286992).

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

11112111112112 is a wasteful number, since it uses less digits than its factorization.

11112111112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293164737 (or 293164731 counting only the distinct ones).

The product of its digits is 8, while the sum is 17.

Adding to 11112111112112 its reverse (21121111121111), we get a palindrome (32233222233223).

The spelling of 11112111112112 in words is "eleven trillion, one hundred twelve billion, one hundred eleven million, one hundred twelve thousand, one hundred twelve".