112221002020 has 24 divisors (see below), whose sum is σ = 235673638200. Its totient is φ = 44886584832.

The previous prime is 112221002009. The next prime is 112221002029. The reversal of 112221002020 is 20200122211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6216060964 + 106004941056 = 78842^2 + 325584^2 .

It is not an unprimeable number, because it can be changed into a prime (112221002029) 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, 465196 + ... + 663964.

It is an arithmetic number, because the mean of its divisors is an integer number (9819734925).

Almost surely, 2^112221002020 is an apocalyptic number.

112221002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221002020 is an abundant number, since it is smaller than the sum of its proper divisors (123452636180).

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

112221002020 is a wasteful number, since it uses less digits than its factorization.

112221002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227007 (or 227005 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 112221002020 its reverse (20200122211), we get a palindrome (132421124231).

The spelling of 112221002020 in words is "one hundred twelve billion, two hundred twenty-one million, two thousand, twenty".