112201021220 has 12 divisors (see below), whose sum is σ = 235622144604. Its totient is φ = 44880408480.

The previous prime is 112201021171. The next prime is 112201021267. The reversal of 112201021220 is 22120102211.

It can be written as a sum of positive squares in 2 ways, for example, as 31504120036 + 80696901184 = 177494^2 + 284072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112201021195 and 112201021204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805025511 + ... + 2805025550.

It is an arithmetic number, because the mean of its divisors is an integer number (19635178717).

Almost surely, 2^112201021220 is an apocalyptic number.

112201021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112201021220 is an abundant number, since it is smaller than the sum of its proper divisors (123421123384).

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

112201021220 is a wasteful number, since it uses less digits than its factorization.

112201021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610051070 (or 5610051068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112201021220 its reverse (22120102211), we get a palindrome (134321123431).

The spelling of 112201021220 in words is "one hundred twelve billion, two hundred one million, twenty-one thousand, two hundred twenty".