110160821081 has 2 divisors, whose sum is σ = 110160821082. Its totient is φ = 110160821080.

The previous prime is 110160821033. The next prime is 110160821171. The reversal of 110160821081 is 180128061011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107797305625 + 2363515456 = 328325^2 + 48616^2 .

It is an emirp because it is prime and its reverse (180128061011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110160821081 is a prime.

It is a super-2 number, since 2×110160821081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110160851081) 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, 55080410540 + 55080410541.

It is an arithmetic number, because the mean of its divisors is an integer number (55080410541).

Almost surely, 2^110160821081 is an apocalyptic number.

It is an amenable number.

110160821081 is a deficient number, since it is larger than the sum of its proper divisors (1).

110160821081 is an equidigital number, since it uses as much as digits as its factorization.

110160821081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 29.

Adding to 110160821081 its reverse (180128061011), we get a palindrome (290288882092).

The spelling of 110160821081 in words is "one hundred ten billion, one hundred sixty million, eight hundred twenty-one thousand, eighty-one".