221030033210009 has 2 divisors, whose sum is σ = 221030033210010. Its totient is φ = 221030033210008.

The previous prime is 221030033209991. The next prime is 221030033210011. The reversal of 221030033210009 is 900012330030122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212533478646784 + 8496554563225 = 14578528^2 + 2914885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221030033210009 is a prime.

Together with 221030033210011, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221030033210009.

It is not a weakly prime, because it can be changed into another prime (221030033210029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110515016605004 + 110515016605005.

It is an arithmetic number, because the mean of its divisors is an integer number (110515016605005).

Almost surely, 2^{221030033210009} is an apocalyptic number.

It is an amenable number.

221030033210009 is a deficient number, since it is larger than the sum of its proper divisors (1).

221030033210009 is an equidigital number, since it uses as much as digits as its factorization.

221030033210009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 221030033210009 in words is "two hundred twenty-one trillion, thirty billion, thirty-three million, two hundred ten thousand, nine".