201300221009 has 2 divisors, whose sum is σ = 201300221010. Its totient is φ = 201300221008.

The previous prime is 201300220997. The next prime is 201300221033. The reversal of 201300221009 is 900122003102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146884395025 + 54415825984 = 383255^2 + 233272^2 .

It is a cyclic number.

It is not a de Polignac number, because 201300221009 - 2²⁴ = 201283443793 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201300221099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100650110504 + 100650110505.

It is an arithmetic number, because the mean of its divisors is an integer number (100650110505).

Almost surely, 2^201300221009 is an apocalyptic number.

It is an amenable number.

201300221009 is a deficient number, since it is larger than the sum of its proper divisors (1).

201300221009 is an equidigital number, since it uses as much as digits as its factorization.

201300221009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 201300221009 in words is "two hundred one billion, three hundred million, two hundred twenty-one thousand, nine".