22122201202117 has 2 divisors, whose sum is σ = 22122201202118. Its totient is φ = 22122201202116.

The previous prime is 22122201202001. The next prime is 22122201202163. The reversal of 22122201202117 is 71120210222122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19520128949281 + 2602072252836 = 4418159^2 + 1613094^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122201202117 - 2²³ = 22122192813509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22122201202091 and 22122201202100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122201202187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061100601058 + 11061100601059.

It is an arithmetic number, because the mean of its divisors is an integer number (11061100601059).

Almost surely, 2^{22122201202117} is an apocalyptic number.

It is an amenable number.

22122201202117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122201202117 is an equidigital number, since it uses as much as digits as its factorization.

22122201202117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 22122201202117 its reverse (71120210222122), we get a palindrome (93242411424239).

The spelling of 22122201202117 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred one million, two hundred two thousand, one hundred seventeen".