202002302232121 has 2 divisors, whose sum is σ = 202002302232122. Its totient is φ = 202002302232120.

The previous prime is 202002302232109. The next prime is 202002302232173. The reversal of 202002302232121 is 121232203200202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170858491551225 + 31143810680896 = 13071285^2 + 5580664^2 .

It is a cyclic number.

It is not a de Polignac number, because 202002302232121 - 2¹¹ = 202002302230073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202002302232092 and 202002302232101.

It is not a weakly prime, because it can be changed into another prime (202002302232221) 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 as a sum of consecutive naturals, namely, 101001151116060 + 101001151116061.

It is an arithmetic number, because the mean of its divisors is an integer number (101001151116061).

Almost surely, 2^{202002302232121} is an apocalyptic number.

It is an amenable number.

202002302232121 is a deficient number, since it is larger than the sum of its proper divisors (1).

202002302232121 is an equidigital number, since it uses as much as digits as its factorization.

202002302232121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 202002302232121 its reverse (121232203200202), we get a palindrome (323234505432323).

The spelling of 202002302232121 in words is "two hundred two trillion, two billion, three hundred two million, two hundred thirty-two thousand, one hundred twenty-one".