112212220122220 has 24 divisors (see below), whose sum is σ = 235739807652384. Its totient is φ = 44866955592576.

The previous prime is 112212220122209. The next prime is 112212220122229. The reversal of 112212220122220 is 22221022212211.

It is a junction number, because it is equal to n+sod(n) for n = 112212220122191 and 112212220122200.

It is not an unprimeable number, because it can be changed into a prime (112212220122229) 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, 1120727209 + ... + 1120827328.

It is an arithmetic number, because the mean of its divisors is an integer number (9822491985516).

Almost surely, 2^{112212220122220} is an apocalyptic number.

112212220122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212220122220 is an abundant number, since it is smaller than the sum of its proper divisors (123527587530164).

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

112212220122220 is a wasteful number, since it uses less digits than its factorization.

112212220122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241557049 (or 2241557047 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 112212220122220 its reverse (22221022212211), we get a palindrome (134433242334431).

The spelling of 112212220122220 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twenty".