200000221322917 has 2 divisors, whose sum is σ = 200000221322918. Its totient is φ = 200000221322916.

The previous prime is 200000221322861. The next prime is 200000221323037. The reversal of 200000221322917 is 719223122000002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198172233497956 + 1827987824961 = 14077366^2 + 1352031^2 .

It is a cyclic number.

It is not a de Polignac number, because 200000221322917 - 2¹¹ = 200000221320869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200000221322417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000110661458 + 100000110661459.

It is an arithmetic number, because the mean of its divisors is an integer number (100000110661459).

Almost surely, 2^{200000221322917} is an apocalyptic number.

It is an amenable number.

200000221322917 is a deficient number, since it is larger than the sum of its proper divisors (1).

200000221322917 is an equidigital number, since it uses as much as digits as its factorization.

200000221322917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 200000221322917 its reverse (719223122000002), we get a palindrome (919223343322919).

The spelling of 200000221322917 in words is "two hundred trillion, two hundred twenty-one million, three hundred twenty-two thousand, nine hundred seventeen".