11210081 has 2 divisors, whose sum is σ = 11210082. Its totient is φ = 11210080.

The previous prime is 11210077. The next prime is 11210117. The reversal of 11210081 is 18001211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9709456 + 1500625 = 3116^2 + 1225^2 .

It is a cyclic number.

It is not a de Polignac number, because 11210081 - 2² = 11210077 is a prime.

It is a super-2 number, since 2×11210081² = 251331832053122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605040 + 5605041.

It is an arithmetic number, because the mean of its divisors is an integer number (5605041).

Almost surely, 2^11210081 is an apocalyptic number.

It is an amenable number.

11210081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210081 is an equidigital number, since it uses as much as digits as its factorization.

11210081 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 14.

The square root of 11210081 is about 3348.1459048255. The cubic root of 11210081 is about 223.8048962813.

Adding to 11210081 its reverse (18001211), we get a palindrome (29211292).

The spelling of 11210081 in words is "eleven million, two hundred ten thousand, eighty-one".