20221122200017 has 2 divisors, whose sum is σ = 20221122200018. Its totient is φ = 20221122200016.

The previous prime is 20221122200011. The next prime is 20221122200051. The reversal of 20221122200017 is 71000222112202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12191158829056 + 8029963370961 = 3491584^2 + 2833719^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221122200017 - 2³ = 20221122200009 is a prime.

It is not a weakly prime, because it can be changed into another prime (20221122200011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110561100008 + 10110561100009.

It is an arithmetic number, because the mean of its divisors is an integer number (10110561100009).

Almost surely, 2^{20221122200017} is an apocalyptic number.

It is an amenable number.

20221122200017 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221122200017 is an equidigital number, since it uses as much as digits as its factorization.

20221122200017 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 22.

Adding to 20221122200017 its reverse (71000222112202), we get a palindrome (91221344312219).

The spelling of 20221122200017 in words is "twenty trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred thousand, seventeen".