2112202212020 has 12 divisors (see below), whose sum is σ = 4435624645284. Its totient is φ = 844880884800.

The previous prime is 2112202211923. The next prime is 2112202212067. The reversal of 2112202212020 is 202122022112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 418487372836 + 1693714839184 = 646906^2 + 1301428^2 .

It is a super-2 number, since 2×2112202212020² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112202212020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52805055281 + ... + 52805055320.

It is an arithmetic number, because the mean of its divisors is an integer number (369635387107).

Almost surely, 2^{2112202212020} is an apocalyptic number.

2112202212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112202212020 is an abundant number, since it is smaller than the sum of its proper divisors (2323422433264).

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

2112202212020 is a wasteful number, since it uses less digits than its factorization.

2112202212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105610110610 (or 105610110608 counting only the distinct ones).

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

Adding to 2112202212020 its reverse (202122022112), we get a palindrome (2314324234132).

The spelling of 2112202212020 in words is "two trillion, one hundred twelve billion, two hundred two million, two hundred twelve thousand, twenty".