22012110021017 has 2 divisors, whose sum is σ = 22012110021018. Its totient is φ = 22012110021016.

The previous prime is 22012110020951. The next prime is 22012110021019. The reversal of 22012110021017 is 71012001121022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18671827430281 + 3340282590736 = 4321091^2 + 1827644^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012110021017 - 2²⁴ = 22012093243801 is a prime.

Together with 22012110021019, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22012110021017.

It is not a weakly prime, because it can be changed into another prime (22012110021019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006055010508 + 11006055010509.

It is an arithmetic number, because the mean of its divisors is an integer number (11006055010509).

Almost surely, 2^{22012110021017} is an apocalyptic number.

It is an amenable number.

22012110021017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012110021017 is an equidigital number, since it uses as much as digits as its factorization.

22012110021017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 22012110021017 its reverse (71012001121022), we get a palindrome (93024111142039).

The spelling of 22012110021017 in words is "twenty-two trillion, twelve billion, one hundred ten million, twenty-one thousand, seventeen".