202422301021 has 2 divisors, whose sum is σ = 202422301022. Its totient is φ = 202422301020.

The previous prime is 202422300973. The next prime is 202422301051. The reversal of 202422301021 is 120103224202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188021100996 + 14401200025 = 433614^2 + 120005^2 .

It is a cyclic number.

It is not a de Polignac number, because 202422301021 - 2¹⁵ = 202422268253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202422301021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202422301051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101211150510 + 101211150511.

It is an arithmetic number, because the mean of its divisors is an integer number (101211150511).

Almost surely, 2^202422301021 is an apocalyptic number.

It is an amenable number.

202422301021 is a deficient number, since it is larger than the sum of its proper divisors (1).

202422301021 is an equidigital number, since it uses as much as digits as its factorization.

202422301021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 202422301021 its reverse (120103224202), we get a palindrome (322525525223).

The spelling of 202422301021 in words is "two hundred two billion, four hundred twenty-two million, three hundred one thousand, twenty-one".