12210021101017 has 2 divisors, whose sum is σ = 12210021101018. Its totient is φ = 12210021101016.

The previous prime is 12210021101009. The next prime is 12210021101039. The reversal of 12210021101017 is 71010112001221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12020844817881 + 189176283136 = 3467109^2 + 434944^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210021101017 - 2³ = 12210021101009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210021100985 and 12210021101003.

It is not a weakly prime, because it can be changed into another prime (12210021101717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105010550508 + 6105010550509.

It is an arithmetic number, because the mean of its divisors is an integer number (6105010550509).

Almost surely, 2^{12210021101017} is an apocalyptic number.

It is an amenable number.

12210021101017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210021101017 is an equidigital number, since it uses as much as digits as its factorization.

12210021101017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 12210021101017 its reverse (71010112001221), we get a palindrome (83220133102238).

The spelling of 12210021101017 in words is "twelve trillion, two hundred ten billion, twenty-one million, one hundred one thousand, seventeen".