202204421020321 has 8 divisors (see below), whose sum is σ = 202308380173224. Its totient is φ = 202100483101440.

The previous prime is 202204421020297. The next prime is 202204421020373. The reversal of 202204421020321 is 123020124402202.

It can be written as a sum of positive squares in 4 ways, for example, as 22570338180625 + 179634082839696 = 4750825^2 + 13402764^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202204421020321 - 2¹⁹ = 202204420496033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202204421050321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13759311 + ... + 24366523.

It is an arithmetic number, because the mean of its divisors is an integer number (25288547521653).

Almost surely, 2^{202204421020321} is an apocalyptic number.

It is an amenable number.

202204421020321 is a deficient number, since it is larger than the sum of its proper divisors (103959152903).

202204421020321 is a wasteful number, since it uses less digits than its factorization.

202204421020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10617011.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 202204421020321 its reverse (123020124402202), we get a palindrome (325224545422523).

The spelling of 202204421020321 in words is "two hundred two trillion, two hundred four billion, four hundred twenty-one million, twenty thousand, three hundred twenty-one".