200321012321 has 2 divisors, whose sum is σ = 200321012322. Its totient is φ = 200321012320.

The previous prime is 200321012293. The next prime is 200321012327. The reversal of 200321012321 is 123210123002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173942380096 + 26378632225 = 417064^2 + 162415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200321012321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200321012321.

It is not a weakly prime, because it can be changed into another prime (200321012327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100160506160 + 100160506161.

It is an arithmetic number, because the mean of its divisors is an integer number (100160506161).

Almost surely, 2^200321012321 is an apocalyptic number.

It is an amenable number.

200321012321 is a deficient number, since it is larger than the sum of its proper divisors (1).

200321012321 is an equidigital number, since it uses as much as digits as its factorization.

200321012321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 200321012321 its reverse (123210123002), we get a palindrome (323531135323).

The spelling of 200321012321 in words is "two hundred billion, three hundred twenty-one million, twelve thousand, three hundred twenty-one".