122102211001217 has 2 divisors, whose sum is σ = 122102211001218. Its totient is φ = 122102211001216.

The previous prime is 122102211001189. The next prime is 122102211001289. The reversal of 122102211001217 is 712100112201221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83425553470081 + 38676657531136 = 9133759^2 + 6219056^2 .

It is a cyclic number.

It is not a de Polignac number, because 122102211001217 - 2¹⁰ = 122102211000193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122102211001192 and 122102211001201.

It is not a weakly prime, because it can be changed into another prime (122102211009217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051105500608 + 61051105500609.

It is an arithmetic number, because the mean of its divisors is an integer number (61051105500609).

Almost surely, 2^{122102211001217} is an apocalyptic number.

It is an amenable number.

122102211001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102211001217 is an equidigital number, since it uses as much as digits as its factorization.

122102211001217 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 23.

Adding to 122102211001217 its reverse (712100112201221), we get a palindrome (834202323202438).

The spelling of 122102211001217 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred eleven million, one thousand, two hundred seventeen".