22111102121017 has 24 divisors (see below), whose sum is σ = 27502089506496. Its totient is φ = 17405693637696.

The previous prime is 22111102120993. The next prime is 22111102121039. The reversal of 22111102121017 is 71012120111122.

It is a de Polignac number, because none of the positive numbers 2^k-22111102121017 is a prime.

It is a super-2 number, since 2×22111102121017² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111102421017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47205283 + ... + 47671384.

It is an arithmetic number, because the mean of its divisors is an integer number (1145920396104).

Almost surely, 2^{22111102121017} is an apocalyptic number.

It is an amenable number.

22111102121017 is a deficient number, since it is larger than the sum of its proper divisors (5390987385479).

22111102121017 is a wasteful number, since it uses less digits than its factorization.

22111102121017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94876897 (or 94876884 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 22111102121017 its reverse (71012120111122), we get a palindrome (93123222232139).

The spelling of 22111102121017 in words is "twenty-two trillion, one hundred eleven billion, one hundred two million, one hundred twenty-one thousand, seventeen".