12211122201017 has 2 divisors, whose sum is σ = 12211122201018. Its totient is φ = 12211122201016.

The previous prime is 12211122200971. The next prime is 12211122201023. The reversal of 12211122201017 is 71010222111221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10856095829881 + 1355026371136 = 3294859^2 + 1164056^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211122201017 - 2²⁰ = 12211121152441 is a prime.

It is a super-2 number, since 2×12211122201017² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12211122200983 and 12211122201001.

It is not a weakly prime, because it can be changed into another prime (12211122201037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105561100508 + 6105561100509.

It is an arithmetic number, because the mean of its divisors is an integer number (6105561100509).

Almost surely, 2^{12211122201017} is an apocalyptic number.

It is an amenable number.

12211122201017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211122201017 is an equidigital number, since it uses as much as digits as its factorization.

12211122201017 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 12211122201017 its reverse (71010222111221), we get a palindrome (83221344312238).

The spelling of 12211122201017 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-two million, two hundred one thousand, seventeen".