112221220000 has 120 divisors (see below), whose sum is σ = 290612599200. Its totient is φ = 42525792000.

The previous prime is 112221219967. The next prime is 112221220003. The reversal of 112221220000 is 22122211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (112221220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 232341 + ... + 527659.

It is an arithmetic number, because the mean of its divisors is an integer number (2421771660).

Almost surely, 2^112221220000 is an apocalyptic number.

112221220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112221220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145306299600).

112221220000 is an abundant number, since it is smaller than the sum of its proper divisors (178391379200).

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

112221220000 is an equidigital number, since it uses as much as digits as its factorization.

112221220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295368 (or 295345 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 112221220000 its reverse (22122211), we get a palindrome (112243342211).

The spelling of 112221220000 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred twenty thousand".