22200125020021 has 6 divisors (see below), whose sum is σ = 24039188631330. Its totient is φ = 20492423095248.

The previous prime is 22200125020001. The next prime is 22200125020069. The reversal of 22200125020021 is 12002052100222.

It can be written as a sum of positive squares in 3 ways, for example, as 2978161290225 + 19221963729796 = 1725735^2 + 4384286^2 .

It is not a de Polignac number, because 22200125020021 - 2¹³ = 22200125011829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200125020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65680843086 + ... + 65680843423.

It is an arithmetic number, because the mean of its divisors is an integer number (4006531438555).

Almost surely, 2^{22200125020021} is an apocalyptic number.

It is an amenable number.

22200125020021 is a deficient number, since it is larger than the sum of its proper divisors (1839063611309).

22200125020021 is a wasteful number, since it uses less digits than its factorization.

22200125020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131361686535 (or 131361686522 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 22200125020021 its reverse (12002052100222), we get a palindrome (34202177120243).

The spelling of 22200125020021 in words is "twenty-two trillion, two hundred billion, one hundred twenty-five million, twenty thousand, twenty-one".