11100110210081 has 2 divisors, whose sum is σ = 11100110210082. Its totient is φ = 11100110210080.

The previous prime is 11100110210041. The next prime is 11100110210183. The reversal of 11100110210081 is 18001201100111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6544515150625 + 4555595059456 = 2558225^2 + 2134384^2 .

It is an emirp because it is prime and its reverse (18001201100111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100110210081 is a prime.

It is a super-2 number, since 2×11100110210081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11100110210041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550055105040 + 5550055105041.

It is an arithmetic number, because the mean of its divisors is an integer number (5550055105041).

Almost surely, 2^{11100110210081} is an apocalyptic number.

It is an amenable number.

11100110210081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100110210081 is an equidigital number, since it uses as much as digits as its factorization.

11100110210081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11100110210081 its reverse (18001201100111), we get a palindrome (29101311310192).

The spelling of 11100110210081 in words is "eleven trillion, one hundred billion, one hundred ten million, two hundred ten thousand, eighty-one".