200221157317 has 2 divisors, whose sum is σ = 200221157318. Its totient is φ = 200221157316.

The previous prime is 200221157303. The next prime is 200221157387. The reversal of 200221157317 is 713751122002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185628275716 + 14592881601 = 430846^2 + 120801^2 .

It is a cyclic number.

It is not a de Polignac number, because 200221157317 - 2¹¹ = 200221155269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200221157387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110578658 + 100110578659.

It is an arithmetic number, because the mean of its divisors is an integer number (100110578659).

Almost surely, 2^200221157317 is an apocalyptic number.

It is an amenable number.

200221157317 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221157317 is an equidigital number, since it uses as much as digits as its factorization.

200221157317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 200221157317 its reverse (713751122002), we get a palindrome (913972279319).

The spelling of 200221157317 in words is "two hundred billion, two hundred twenty-one million, one hundred fifty-seven thousand, three hundred seventeen".