1112122200112 has 160 divisors (see below), whose sum is σ = 2695927449600. Its totient is φ = 431764992000.

The previous prime is 1112122200103. The next prime is 1112122200113. The reversal of 1112122200112 is 2110022212111.

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

It is not an unprimeable number, because it can be changed into a prime (1112122200113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532369564 + ... + 532371652.

It is an arithmetic number, because the mean of its divisors is an integer number (16849546560).

Almost surely, 2^{1112122200112} 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 1112122200112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347963724800).

1112122200112 is an abundant number, since it is smaller than the sum of its proper divisors (1583805249488).

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

1112122200112 is a wasteful number, since it uses less digits than its factorization.

1112122200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435 (or 3429 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112122200112 its reverse (2110022212111), we get a palindrome (3222144412223).

The spelling of 1112122200112 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, two hundred thousand, one hundred twelve".