200246004221 has 2 divisors, whose sum is σ = 200246004222. Its totient is φ = 200246004220.

The previous prime is 200246004193. The next prime is 200246004281. The reversal of 200246004221 is 122400642002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182490441721 + 17755562500 = 427189^2 + 133250^2 .

It is a cyclic number.

It is not a de Polignac number, because 200246004221 - 2⁶ = 200246004157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200246004281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100123002110 + 100123002111.

It is an arithmetic number, because the mean of its divisors is an integer number (100123002111).

Almost surely, 2^200246004221 is an apocalyptic number.

It is an amenable number.

200246004221 is a deficient number, since it is larger than the sum of its proper divisors (1).

200246004221 is an equidigital number, since it uses as much as digits as its factorization.

200246004221 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 200246004221 its reverse (122400642002), we get a palindrome (322646646223).

The spelling of 200246004221 in words is "two hundred billion, two hundred forty-six million, four thousand, two hundred twenty-one".