22021122102017 has 2 divisors, whose sum is σ = 22021122102018. Its totient is φ = 22021122102016.

The previous prime is 22021122101989. The next prime is 22021122102041. The reversal of 22021122102017 is 71020122112022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11925149664961 + 10095972437056 = 3453281^2 + 3177416^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021122102017 - 2²⁰ = 22021121053441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22021122101983 and 22021122102001.

It is not a weakly prime, because it can be changed into another prime (22021122302017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010561051008 + 11010561051009.

It is an arithmetic number, because the mean of its divisors is an integer number (11010561051009).

Almost surely, 2^{22021122102017} is an apocalyptic number.

It is an amenable number.

22021122102017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021122102017 is an equidigital number, since it uses as much as digits as its factorization.

22021122102017 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22021122102017 its reverse (71020122112022), we get a palindrome (93041244214039).

The spelling of 22021122102017 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, one hundred two thousand, seventeen".