112122112220 has 12 divisors (see below), whose sum is σ = 235456435704. Its totient is φ = 44848844880.

The previous prime is 112122112211. The next prime is 112122112229. The reversal of 112122112220 is 22211221211.

It is an interprime number because it is at equal distance from previous prime (112122112211) and next prime (112122112229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122112229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2803052786 + ... + 2803052825.

It is an arithmetic number, because the mean of its divisors is an integer number (19621369642).

Almost surely, 2^112122112220 is an apocalyptic number.

112122112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112122112220 is an abundant number, since it is smaller than the sum of its proper divisors (123334323484).

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

112122112220 is a wasteful number, since it uses less digits than its factorization.

112122112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606105620 (or 5606105618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112122112220 its reverse (22211221211), we get a palindrome (134333333431).

The spelling of 112122112220 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twenty".