22120113217 has 2 divisors, whose sum is σ = 22120113218. Its totient is φ = 22120113216.

The previous prime is 22120113203. The next prime is 22120113251. The reversal of 22120113217 is 71231102122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16579395121 + 5540718096 = 128761^2 + 74436^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120113217 - 2²⁷ = 21985895489 is a prime.

It is not a weakly prime, because it can be changed into another prime (22120113017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060056608 + 11060056609.

It is an arithmetic number, because the mean of its divisors is an integer number (11060056609).

Almost surely, 2^22120113217 is an apocalyptic number.

It is an amenable number.

22120113217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120113217 is an equidigital number, since it uses as much as digits as its factorization.

22120113217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 22120113217 its reverse (71231102122), we get a palindrome (93351215339).

The spelling of 22120113217 in words is "twenty-two billion, one hundred twenty million, one hundred thirteen thousand, two hundred seventeen".