120100211200217 has 2 divisors, whose sum is σ = 120100211200218. Its totient is φ = 120100211200216.

The previous prime is 120100211200171. The next prime is 120100211200223. The reversal of 120100211200217 is 712002112001021.

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., 103645919480896 + 16454291719321 = 10180664^2 + 4056389^2 .

It is an emirp because it is prime and its reverse (712002112001021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120100211200217 - 2²⁶ = 120100144091353 is a prime.

It is not a weakly prime, because it can be changed into another prime (120100211200247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050105600108 + 60050105600109.

It is an arithmetic number, because the mean of its divisors is an integer number (60050105600109).

Almost surely, 2^{120100211200217} is an apocalyptic number.

It is an amenable number.

120100211200217 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100211200217 is an equidigital number, since it uses as much as digits as its factorization.

120100211200217 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 120100211200217 its reverse (712002112001021), we get a palindrome (832102323201238).

The spelling of 120100211200217 in words is "one hundred twenty trillion, one hundred billion, two hundred eleven million, two hundred thousand, two hundred seventeen".