112120220220 has 24 divisors (see below), whose sum is σ = 313936616784. Its totient is φ = 29898725376.

The previous prime is 112120220213. The next prime is 112120220227. The reversal of 112120220220 is 22022021211.

112120220220 = 17468² + 17469² + ... + 17827².

It is an interprime number because it is at equal distance from previous prime (112120220213) and next prime (112120220227).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112120220220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120220227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934335109 + ... + 934335228.

It is an arithmetic number, because the mean of its divisors is an integer number (13080692366).

Almost surely, 2^112120220220 is an apocalyptic number.

112120220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120220220 is an abundant number, since it is smaller than the sum of its proper divisors (201816396564).

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

112120220220 is a wasteful number, since it uses less digits than its factorization.

112120220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868670349 (or 1868670347 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 112120220220 its reverse (22022021211), we get a palindrome (134142241431).

The spelling of 112120220220 in words is "one hundred twelve billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty".