120210211222217 has 2 divisors, whose sum is σ = 120210211222218. Its totient is φ = 120210211222216.

The previous prime is 120210211222207. The next prime is 120210211222229. The reversal of 120210211222217 is 712222112012021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102169965863056 + 18040245359161 = 10107916^2 + 4247381^2 .

It is a cyclic number.

It is not a de Polignac number, because 120210211222217 - 2²⁸ = 120209942786761 is a prime.

It is not a weakly prime, because it can be changed into another prime (120210211222207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105105611108 + 60105105611109.

It is an arithmetic number, because the mean of its divisors is an integer number (60105105611109).

Almost surely, 2^{120210211222217} is an apocalyptic number.

It is an amenable number.

120210211222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120210211222217 is an equidigital number, since it uses as much as digits as its factorization.

120210211222217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 120210211222217 its reverse (712222112012021), we get a palindrome (832432323234238).

The spelling of 120210211222217 in words is "one hundred twenty trillion, two hundred ten billion, two hundred eleven million, two hundred twenty-two thousand, two hundred seventeen".