200323210032221 has 2 divisors, whose sum is σ = 200323210032222. Its totient is φ = 200323210032220.

The previous prime is 200323210032193. The next prime is 200323210032223. The reversal of 200323210032221 is 122230012323002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186118188240196 + 14205021792025 = 13642514^2 + 3768955^2 .

It is a cyclic number.

It is not a de Polignac number, because 200323210032221 - 2¹⁴ = 200323210015837 is a prime.

It is a super-2 number, since 2×200323210032221² (a number of 29 digits) contains 22 as substring.

Together with 200323210032223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200323210032223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100161605016110 + 100161605016111.

It is an arithmetic number, because the mean of its divisors is an integer number (100161605016111).

Almost surely, 2^{200323210032221} is an apocalyptic number.

It is an amenable number.

200323210032221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200323210032221 is an equidigital number, since it uses as much as digits as its factorization.

200323210032221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 200323210032221 its reverse (122230012323002), we get a palindrome (322553222355223).

The spelling of 200323210032221 in words is "two hundred trillion, three hundred twenty-three billion, two hundred ten million, thirty-two thousand, two hundred twenty-one".