11101081 has 2 divisors, whose sum is σ = 11101082. Its totient is φ = 11101080.

The previous prime is 11101061. The next prime is 11101087. The reversal of 11101081 is 18010111.

11101081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10830681 + 270400 = 3291^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101081 - 2⁷ = 11100953 is a prime.

It is a super-2 number, since 2×11101081² = 246467998737122, which contains 22 as substring.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (11101087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550540 + 5550541.

It is an arithmetic number, because the mean of its divisors is an integer number (5550541).

Almost surely, 2^11101081 is an apocalyptic number.

It is an amenable number.

11101081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101081 is an equidigital number, since it uses as much as digits as its factorization.

11101081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

The square root of 11101081 is about 3331.8284769778. The cubic root of 11101081 is about 223.0771516111.

Adding to 11101081 its reverse (18010111), we get a palindrome (29111192).

The spelling of 11101081 in words is "eleven million, one hundred one thousand, eighty-one".