112222012220 has 24 divisors (see below), whose sum is σ = 236063664144. Its totient is φ = 44813102336.

The previous prime is 112222012193. The next prime is 112222012249. The reversal of 112222012220 is 22210222211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4719254 + ... + 4742973.

It is an arithmetic number, because the mean of its divisors is an integer number (9835986006).

Almost surely, 2^112222012220 is an apocalyptic number.

112222012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222012220 is an abundant number, since it is smaller than the sum of its proper divisors (123841651924).

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

112222012220 is a wasteful number, since it uses less digits than its factorization.

112222012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462829 (or 9462827 counting only the distinct ones).

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

Adding to 112222012220 its reverse (22210222211), we get a palindrome (134432234431).

The spelling of 112222012220 in words is "one hundred twelve billion, two hundred twenty-two million, twelve thousand, two hundred twenty".