22010001001217 has 2 divisors, whose sum is σ = 22010001001218. Its totient is φ = 22010001001216.

The previous prime is 22010001001189. The next prime is 22010001001229. The reversal of 22010001001217 is 71210010001022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13854355956736 + 8155645044481 = 3722144^2 + 2855809^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010001001217 - 2⁴⁴ = 4417814956801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22010001001195 and 22010001001204.

It is not a weakly prime, because it can be changed into another prime (22010001000217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005000500608 + 11005000500609.

It is an arithmetic number, because the mean of its divisors is an integer number (11005000500609).

Almost surely, 2^{22010001001217} is an apocalyptic number.

It is an amenable number.

22010001001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010001001217 is an equidigital number, since it uses as much as digits as its factorization.

22010001001217 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 17.

Adding to 22010001001217 its reverse (71210010001022), we get a palindrome (93220011002239).

The spelling of 22010001001217 in words is "twenty-two trillion, ten billion, one million, one thousand, two hundred seventeen".