22020221020201 has 12 divisors (see below), whose sum is σ = 22393665840400. Its totient is φ = 21652792658280.

The previous prime is 22020221020157. The next prime is 22020221020277. The reversal of 22020221020201 is 10202012202022.

It is a de Polignac number, because none of the positive numbers 2^k-22020221020201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020221027201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3852291 + ... + 7673368.

Almost surely, 2^{22020221020201} is an apocalyptic number.

It is an amenable number.

22020221020201 is a deficient number, since it is larger than the sum of its proper divisors (373444820199).

22020221020201 is an equidigital number, since it uses as much as digits as its factorization.

22020221020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526180 (or 11526109 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22020221020201 its reverse (10202012202022), we get a palindrome (32222233222223).

It can be divided in two parts, 2202022 and 1020201, that added together give a palindrome (3222223).

The spelling of 22020221020201 in words is "twenty-two trillion, twenty billion, two hundred twenty-one million, twenty thousand, two hundred one".