112120220 has 12 divisors (see below), whose sum is σ = 235452504. Its totient is φ = 44848080.

The previous prime is 112120207. The next prime is 112120223. The reversal of 112120220 is 22021211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120223) 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, 2802986 + ... + 2803025.

It is an arithmetic number, because the mean of its divisors is an integer number (19621042).

Almost surely, 2^112120220 is an apocalyptic number.

112120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120220 is an abundant number, since it is smaller than the sum of its proper divisors (123332284).

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

112120220 is a wasteful number, since it uses less digits than its factorization.

112120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606020 (or 5606018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 112120220 is about 10588.6835820134. The cubic root of 112120220 is about 482.2008597957.

Adding to 112120220 its reverse (22021211), we get a palindrome (134141431).

Subtracting from 112120220 its reverse (22021211), we obtain a palindrome (90099009).

The spelling of 112120220 in words is "one hundred twelve million, one hundred twenty thousand, two hundred twenty".