110171116681 has 2 divisors, whose sum is σ = 110171116682. Its totient is φ = 110171116680.

The previous prime is 110171116669. The next prime is 110171116753. The reversal of 110171116681 is 186611171011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110167567225 + 3549456 = 331915^2 + 1884^2 .

It is an emirp because it is prime and its reverse (186611171011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110171116681 - 2¹⁷ = 110170985609 is a prime.

It is a super-2 number, since 2×110171116681² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110171117681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55085558340 + 55085558341.

It is an arithmetic number, because the mean of its divisors is an integer number (55085558341).

Almost surely, 2^110171116681 is an apocalyptic number.

It is an amenable number.

110171116681 is a deficient number, since it is larger than the sum of its proper divisors (1).

110171116681 is an equidigital number, since it uses as much as digits as its factorization.

110171116681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 34.

Adding to 110171116681 its reverse (186611171011), we get a palindrome (296782287692).

The spelling of 110171116681 in words is "one hundred ten billion, one hundred seventy-one million, one hundred sixteen thousand, six hundred eighty-one".