12222220110017 has 2 divisors, whose sum is σ = 12222220110018. Its totient is φ = 12222220110016.

The previous prime is 12222220109963. The next prime is 12222220110173. The reversal of 12222220110017 is 71001102222221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11715498229681 + 506721880336 = 3422791^2 + 711844^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222220110017 - 2¹⁶ = 12222220044481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12222220109974 and 12222220110001.

It is not a weakly prime, because it can be changed into another prime (12222220110517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111110055008 + 6111110055009.

It is an arithmetic number, because the mean of its divisors is an integer number (6111110055009).

Almost surely, 2^{12222220110017} is an apocalyptic number.

It is an amenable number.

12222220110017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222220110017 is an equidigital number, since it uses as much as digits as its factorization.

12222220110017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 12222220110017 its reverse (71001102222221), we get a palindrome (83223322332238).

The spelling of 12222220110017 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty million, one hundred ten thousand, seventeen".