22110211110173 has 2 divisors, whose sum is σ = 22110211110174. Its totient is φ = 22110211110172.

The previous prime is 22110211110157. The next prime is 22110211110227. The reversal of 22110211110173 is 37101111201122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17716169247364 + 4394041862809 = 4209058^2 + 2096197^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110211110173 - 2⁴ = 22110211110157 is a prime.

It is a super-2 number, since 2×22110211110173² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22110211910173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055105555086 + 11055105555087.

It is an arithmetic number, because the mean of its divisors is an integer number (11055105555087).

Almost surely, 2^{22110211110173} is an apocalyptic number.

It is an amenable number.

22110211110173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110211110173 is an equidigital number, since it uses as much as digits as its factorization.

22110211110173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 22110211110173 its reverse (37101111201122), we get a palindrome (59211322311295).

The spelling of 22110211110173 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, one hundred ten thousand, one hundred seventy-three".