122011220211017 has 2 divisors, whose sum is σ = 122011220211018. Its totient is φ = 122011220211016.

The previous prime is 122011220210993. The next prime is 122011220211031. The reversal of 122011220211017 is 710112022110221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121914810582016 + 96409629001 = 11041504^2 + 310499^2 .

It is a cyclic number.

It is not a de Polignac number, because 122011220211017 - 2⁶ = 122011220210953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122011220210983 and 122011220211001.

It is not a weakly prime, because it can be changed into another prime (122011220211317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005610105508 + 61005610105509.

It is an arithmetic number, because the mean of its divisors is an integer number (61005610105509).

Almost surely, 2^{122011220211017} is an apocalyptic number.

It is an amenable number.

122011220211017 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011220211017 is an equidigital number, since it uses as much as digits as its factorization.

122011220211017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 122011220211017 its reverse (710112022110221), we get a palindrome (832123242321238).

The spelling of 122011220211017 in words is "one hundred twenty-two trillion, eleven billion, two hundred twenty million, two hundred eleven thousand, seventeen".