220112112 has 160 divisors (see below), whose sum is σ = 671742720. Its totient is φ = 61378560.

The previous prime is 220112111. The next prime is 220112119. The reversal of 220112112 is 211211022.

220112112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370888 + ... + 371480.

It is an arithmetic number, because the mean of its divisors is an integer number (4198392).

Almost surely, 2^220112112 is an apocalyptic number.

220112112 is a gapful number since it is divisible by the number (22) 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 220112112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335871360).

220112112 is an abundant number, since it is smaller than the sum of its proper divisors (451630608).

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

220112112 is a wasteful number, since it uses less digits than its factorization.

220112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 220112112 is about 14836.1757875808. The cubic root of 220112112 is about 603.7836015574.

Adding to 220112112 its reverse (211211022), we get a palindrome (431323134).

The spelling of 220112112 in words is "two hundred twenty million, one hundred twelve thousand, one hundred twelve".