22113103217 has 2 divisors, whose sum is σ = 22113103218. Its totient is φ = 22113103216.

The previous prime is 22113103193. The next prime is 22113103219. The reversal of 22113103217 is 71230131122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17349894961 + 4763208256 = 131719^2 + 69016^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113103217 - 2⁸ = 22113102961 is a prime.

Together with 22113103219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22113103192 and 22113103201.

It is not a weakly prime, because it can be changed into another prime (22113103219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056551608 + 11056551609.

It is an arithmetic number, because the mean of its divisors is an integer number (11056551609).

Almost surely, 2^22113103217 is an apocalyptic number.

It is an amenable number.

22113103217 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113103217 is an equidigital number, since it uses as much as digits as its factorization.

22113103217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 22113103217 its reverse (71230131122), we get a palindrome (93343234339).

The spelling of 22113103217 in words is "twenty-two billion, one hundred thirteen million, one hundred three thousand, two hundred seventeen".