112221202222112 has 72 divisors (see below), whose sum is σ = 234813978766836. Its totient is φ = 52783471116288.

The previous prime is 112221202222081. The next prime is 112221202222117. The reversal of 112221202222112 is 211222202122211.

It can be written as a sum of positive squares in 6 ways, for example, as 64452701723536 + 47768500498576 = 8028244^2 + 6911476^2 .

It is not an unprimeable number, because it can be changed into a prime (112221202222117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15386948 + ... + 21475580.

Almost surely, 2^{112221202222112} 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 112221202222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117406989383418).

112221202222112 is an abundant number, since it is smaller than the sum of its proper divisors (122592776544724).

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

112221202222112 is a wasteful number, since it uses less digits than its factorization.

112221202222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6090670 (or 6090645 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 112221202222112 its reverse (211222202122211), we get a palindrome (323443404344323).

Subtracting 112221202222112 from its reverse (211222202122211), we obtain a palindrome (99000999900099).

The spelling of 112221202222112 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty-two thousand, one hundred twelve".