210002122011217 has 2 divisors, whose sum is σ = 210002122011218. Its totient is φ = 210002122011216.

The previous prime is 210002122011161. The next prime is 210002122011257. The reversal of 210002122011217 is 712110221200012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146492315766801 + 63509806244416 = 12103401^2 + 7969304^2 .

It is a cyclic number.

It is not a de Polignac number, because 210002122011217 - 2¹⁵ = 210002121978449 is a prime.

It is not a weakly prime, because it can be changed into another prime (210002122011257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001061005608 + 105001061005609.

It is an arithmetic number, because the mean of its divisors is an integer number (105001061005609).

Almost surely, 2^{210002122011217} is an apocalyptic number.

It is an amenable number.

210002122011217 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002122011217 is an equidigital number, since it uses as much as digits as its factorization.

210002122011217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 210002122011217 its reverse (712110221200012), we get a palindrome (922112343211229).

The spelling of 210002122011217 in words is "two hundred ten trillion, two billion, one hundred twenty-two million, eleven thousand, two hundred seventeen".