120011210020217 has 2 divisors, whose sum is σ = 120011210020218. Its totient is φ = 120011210020216.

The previous prime is 120011210020189. The next prime is 120011210020223. The reversal of 120011210020217 is 712020012110021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69959490344041 + 50051719676176 = 8364179^2 + 7074724^2 .

It is a cyclic number.

It is not a de Polignac number, because 120011210020217 - 2¹⁰ = 120011210019193 is a prime.

It is a super-3 number, since 3×120011210020217³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (120011210020237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60005605010108 + 60005605010109.

It is an arithmetic number, because the mean of its divisors is an integer number (60005605010109).

Almost surely, 2^{120011210020217} is an apocalyptic number.

It is an amenable number.

120011210020217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120011210020217 is an equidigital number, since it uses as much as digits as its factorization.

120011210020217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 120011210020217 its reverse (712020012110021), we get a palindrome (832031222130238).

The spelling of 120011210020217 in words is "one hundred twenty trillion, eleven billion, two hundred ten million, twenty thousand, two hundred seventeen".