1112111112112 has 160 divisors (see below), whose sum is σ = 2894038769664. Its totient is φ = 399822566400.

The previous prime is 1112111112109. The next prime is 1112111112137. The reversal of 1112111112112 is 2112111112111.

It is a super-2 number, since 2×1112111112112² (a number of 25 digits) contains 22 as substring.

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

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 31 ways as a sum of consecutive naturals, for example, 54300018 + ... + 54320494.

Almost surely, 2^{1112111112112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112111112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447019384832).

1112111112112 is an abundant number, since it is smaller than the sum of its proper divisors (1781927657552).

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

1112111112112 is a wasteful number, since it uses less digits than its factorization.

1112111112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23907 (or 23901 counting only the distinct ones).

The product of its digits is 8, while the sum is 16.

Adding to 1112111112112 its reverse (2112111112111), we get a palindrome (3224222224223).

Subtracting 1112111112112 from its reverse (2112111112111), we obtain a palindrome (999999999999).

The spelling of 1112111112112 in words is "one trillion, one hundred twelve billion, one hundred eleven million, one hundred twelve thousand, one hundred twelve".