120122220217 has 2 divisors, whose sum is σ = 120122220218. Its totient is φ = 120122220216.

The previous prime is 120122220181. The next prime is 120122220227. The reversal of 120122220217 is 712022221021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114133162896 + 5989057321 = 337836^2 + 77389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120122220217 is a prime.

It is a super-2 number, since 2×120122220217² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120122220227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061110108 + 60061110109.

It is an arithmetic number, because the mean of its divisors is an integer number (60061110109).

Almost surely, 2^120122220217 is an apocalyptic number.

It is an amenable number.

120122220217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120122220217 is an equidigital number, since it uses as much as digits as its factorization.

120122220217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 120122220217 its reverse (712022221021), we get a palindrome (832144441238).

The spelling of 120122220217 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twenty thousand, two hundred seventeen".