120202210217 has 2 divisors, whose sum is σ = 120202210218. Its totient is φ = 120202210216.

The previous prime is 120202210201. The next prime is 120202210237. The reversal of 120202210217 is 712012202021.

It is an a-pointer prime, because the next prime (120202210237) can be obtained adding 120202210217 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61057915801 + 59144294416 = 247099^2 + 243196^2 .

It is a cyclic number.

It is not a de Polignac number, because 120202210217 - 2⁴ = 120202210201 is a prime.

It is not a weakly prime, because it can be changed into another prime (120202210237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101105108 + 60101105109.

It is an arithmetic number, because the mean of its divisors is an integer number (60101105109).

Almost surely, 2^120202210217 is an apocalyptic number.

It is an amenable number.

120202210217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202210217 is an equidigital number, since it uses as much as digits as its factorization.

120202210217 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 20.

Adding to 120202210217 its reverse (712012202021), we get a palindrome (832214412238).

The spelling of 120202210217 in words is "one hundred twenty billion, two hundred two million, two hundred ten thousand, two hundred seventeen".