112202221220 has 36 divisors (see below), whose sum is σ = 250300262100. Its totient is φ = 42240834048.

The previous prime is 112202221193. The next prime is 112202221231. The reversal of 112202221220 is 22122202211.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 64 + 112202221156 = 8^2 + 334966^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9700295 + ... + 9711854.

Almost surely, 2^112202221220 is an apocalyptic number.

112202221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112202221220 is an abundant number, since it is smaller than the sum of its proper divisors (138098040880).

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

112202221220 is a wasteful number, since it uses less digits than its factorization.

112202221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19412192 (or 19412173 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 112202221220 its reverse (22122202211), we get a palindrome (134324423431).

The spelling of 112202221220 in words is "one hundred twelve billion, two hundred two million, two hundred twenty-one thousand, two hundred twenty".