112221222112 has 96 divisors (see below), whose sum is σ = 225722427840. Its totient is φ = 54911324160.

The previous prime is 112221222089. The next prime is 112221222149. The reversal of 112221222112 is 211222122211.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 112221222112.

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, 151037613 + ... + 151038355.

It is an arithmetic number, because the mean of its divisors is an integer number (2351275290).

Almost surely, 2^112221222112 is an apocalyptic number.

It is an amenable number.

112221222112 is an abundant number, since it is smaller than the sum of its proper divisors (113501205728).

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

112221222112 is a wasteful number, since it uses less digits than its factorization.

112221222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316 (or 1308 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

Adding to 112221222112 its reverse (211222122211), we get a palindrome (323443344323).

Subtracting 112221222112 from its reverse (211222122211), we obtain a palindrome (99000900099).

It can be divided in two parts, 11222122211 and 2, that multiplied together give a palindrome (22444244422).

The spelling of 112221222112 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred twelve".