22011112045717 has 2 divisors, whose sum is σ = 22011112045718. Its totient is φ = 22011112045716.

The previous prime is 22011112045709. The next prime is 22011112045771. The reversal of 22011112045717 is 71754021111022.

Together with next prime (22011112045771) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19871214105796 + 2139897939921 = 4457714^2 + 1462839^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011112045717 - 2³ = 22011112045709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011112046717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005556022858 + 11005556022859.

It is an arithmetic number, because the mean of its divisors is an integer number (11005556022859).

Almost surely, 2^{22011112045717} is an apocalyptic number.

It is an amenable number.

22011112045717 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011112045717 is an equidigital number, since it uses as much as digits as its factorization.

22011112045717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 34.

Adding to 22011112045717 its reverse (71754021111022), we get a palindrome (93765133156739).

The spelling of 22011112045717 in words is "twenty-two trillion, eleven billion, one hundred twelve million, forty-five thousand, seven hundred seventeen".