1112122222112 has 96 divisors (see below), whose sum is σ = 2424894796800. Its totient is φ = 497819393280.

The previous prime is 1112122222087. The next prime is 1112122222163. The reversal of 1112122222112 is 2112222212111.

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

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, 146193413 + ... + 146201019.

It is an arithmetic number, because the mean of its divisors is an integer number (25259320800).

Almost surely, 2^{1112122222112} 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 1112122222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212447398400).

1112122222112 is an abundant number, since it is smaller than the sum of its proper divisors (1312772574688).

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

1112122222112 is a wasteful number, since it uses less digits than its factorization.

1112122222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13894 (or 13886 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

Adding to 1112122222112 its reverse (2112222212111), we get a palindrome (3224344434223).

The spelling of 1112122222112 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".