201300221 has 2 divisors, whose sum is σ = 201300222. Its totient is φ = 201300220.

The previous prime is 201300199. The next prime is 201300257. The reversal of 201300221 is 122003102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137124100 + 64176121 = 11710^2 + 8011^2 .

It is a cyclic number.

It is not a de Polignac number, because 201300221 - 2¹⁸ = 201038077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201306221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100650110 + 100650111.

It is an arithmetic number, because the mean of its divisors is an integer number (100650111).

Almost surely, 2^201300221 is an apocalyptic number.

It is an amenable number.

201300221 is a deficient number, since it is larger than the sum of its proper divisors (1).

201300221 is an equidigital number, since it uses as much as digits as its factorization.

201300221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201300221 is about 14188.0309063661. The cubic root of 201300221 is about 586.0681010131.

Adding to 201300221 its reverse (122003102), we get a palindrome (323303323).

The spelling of 201300221 in words is "two hundred one million, three hundred thousand, two hundred twenty-one".