2122201220000 has 60 divisors (see below), whose sum is σ = 5220933380586. Its totient is φ = 848880480000.

The previous prime is 2122201219993. The next prime is 2122201220033. The reversal of 2122201220000 is 221022212.

It can be written as a sum of positive squares in 5 ways, for example, as 208925783056 + 1913275436944 = 457084^2 + 1383212^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 53035031 + ... + 53075030.

Almost surely, 2^{2122201220000} is an apocalyptic number.

2122201220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122201220000 is an abundant number, since it is smaller than the sum of its proper divisors (3098732160586).

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

2122201220000 is an equidigital number, since it uses as much as digits as its factorization.

2122201220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106110091 (or 106110068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2122201220000 its reverse (221022212), we get a palindrome (2122422242212).

The spelling of 2122201220000 in words is "two trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty thousand".