1112222112 has 24 divisors (see below), whose sum is σ = 2919583296. Its totient is φ = 370740672.

The previous prime is 1112222107. The next prime is 1112222131. The reversal of 1112222112 is 2112222111.

It is a tau number, because it is divible by the number of its divisors (24).

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 a junction number, because it is equal to n+sod(n) for n = 1112222091 and 1112222100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5792728 + ... + 5792919.

It is an arithmetic number, because the mean of its divisors is an integer number (121649304).

Almost surely, 2^1112222112 is an apocalyptic number.

1112222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112222112 is an abundant number, since it is smaller than the sum of its proper divisors (1807361184).

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

1112222112 is a wasteful number, since it uses less digits than its factorization.

1112222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11585660 (or 11585652 counting only the distinct ones).

The product of its digits is 32, while the sum is 15.

The square root of 1112222112 is about 33349.9941829080. The cubic root of 1112222112 is about 1036.0892674629.

Adding to 1112222112 its reverse (2112222111), we get a palindrome (3224444223).

Subtracting 1112222112 from its reverse (2112222111), we obtain a palindrome (999999999).

The spelling of 1112222112 in words is "one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twelve".