22120002017 has 2 divisors, whose sum is σ = 22120002018. Its totient is φ = 22120002016.

The previous prime is 22120002007. The next prime is 22120002049. The reversal of 22120002017 is 71020002122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17901369616 + 4218632401 = 133796^2 + 64951^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120002017 - 2⁴ = 22120002001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22120001986 and 22120002004.

It is not a weakly prime, because it can be changed into another prime (22120002007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060001008 + 11060001009.

It is an arithmetic number, because the mean of its divisors is an integer number (11060001009).

Almost surely, 2^22120002017 is an apocalyptic number.

It is an amenable number.

22120002017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120002017 is an equidigital number, since it uses as much as digits as its factorization.

22120002017 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 17.

Adding to 22120002017 its reverse (71020002122), we get a palindrome (93140004139).

The spelling of 22120002017 in words is "twenty-two billion, one hundred twenty million, two thousand, seventeen".