202022144321 has 2 divisors, whose sum is σ = 202022144322. Its totient is φ = 202022144320.

The previous prime is 202022144297. The next prime is 202022144323. The reversal of 202022144321 is 123441220202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198524604721 + 3497539600 = 445561^2 + 59140^2 .

It is a cyclic number.

It is not a de Polignac number, because 202022144321 - 2³⁰ = 200948402497 is a prime.

Together with 202022144323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202022144323) by changing a digit.

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 as a sum of consecutive naturals, namely, 101011072160 + 101011072161.

It is an arithmetic number, because the mean of its divisors is an integer number (101011072161).

Almost surely, 2^202022144321 is an apocalyptic number.

It is an amenable number.

202022144321 is a deficient number, since it is larger than the sum of its proper divisors (1).

202022144321 is an equidigital number, since it uses as much as digits as its factorization.

202022144321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 202022144321 its reverse (123441220202), we get a palindrome (325463364523).

The spelling of 202022144321 in words is "two hundred two billion, twenty-two million, one hundred forty-four thousand, three hundred twenty-one".