22100211212017 has 2 divisors, whose sum is σ = 22100211212018. Its totient is φ = 22100211212016.

The previous prime is 22100211211987. The next prime is 22100211212099. The reversal of 22100211212017 is 71021211200122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18755906594481 + 3344304617536 = 4330809^2 + 1828744^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100211212017 - 2²³ = 22100202823409 is a prime.

It is a super-2 number, since 2×22100211212017² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22100211212617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050105606008 + 11050105606009.

It is an arithmetic number, because the mean of its divisors is an integer number (11050105606009).

Almost surely, 2^{22100211212017} is an apocalyptic number.

It is an amenable number.

22100211212017 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100211212017 is an equidigital number, since it uses as much as digits as its factorization.

22100211212017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 22100211212017 its reverse (71021211200122), we get a palindrome (93121422412139).

The spelling of 22100211212017 in words is "twenty-two trillion, one hundred billion, two hundred eleven million, two hundred twelve thousand, seventeen".