202133222009 has 2 divisors, whose sum is σ = 202133222010. Its totient is φ = 202133222008.

The previous prime is 202133222003. The next prime is 202133222017. The reversal of 202133222009 is 900222331202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197716290409 + 4416931600 = 444653^2 + 66460^2 .

It is a cyclic number.

It is not a de Polignac number, because 202133222009 - 2²⁴ = 202116444793 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 (202133222003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101066611004 + 101066611005.

It is an arithmetic number, because the mean of its divisors is an integer number (101066611005).

Almost surely, 2^202133222009 is an apocalyptic number.

It is an amenable number.

202133222009 is a deficient number, since it is larger than the sum of its proper divisors (1).

202133222009 is an equidigital number, since it uses as much as digits as its factorization.

202133222009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 202133222009 in words is "two hundred two billion, one hundred thirty-three million, two hundred twenty-two thousand, nine".