2202221112020 has 12 divisors (see below), whose sum is σ = 4624664335284. Its totient is φ = 880888444800.

The previous prime is 2202221111999. The next prime is 2202221112029. The reversal of 2202221112020 is 202111222022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1009136775364 + 1193084336656 = 1004558^2 + 1092284^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2202221112020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202221112029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55055527781 + ... + 55055527820.

It is an arithmetic number, because the mean of its divisors is an integer number (385388694607).

Almost surely, 2^{2202221112020} is an apocalyptic number.

2202221112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202221112020 is an abundant number, since it is smaller than the sum of its proper divisors (2422443223264).

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

2202221112020 is a wasteful number, since it uses less digits than its factorization.

2202221112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110111055610 (or 110111055608 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2202221112020 its reverse (202111222022), we get a palindrome (2404332334042).

The spelling of 2202221112020 in words is "two trillion, two hundred two billion, two hundred twenty-one million, one hundred twelve thousand, twenty".