10011010091 has 2 divisors, whose sum is σ = 10011010092. Its totient is φ = 10011010090.

The previous prime is 10011010067. The next prime is 10011010103. The reversal of 10011010091 is 19001011001.

It is a happy number.

10011010091 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 is a cyclic number.

It is not a de Polignac number, because 10011010091 - 2¹⁰ = 10011009067 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011010391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005505045 + 5005505046.

It is an arithmetic number, because the mean of its divisors is an integer number (5005505046).

Almost surely, 2^10011010091 is an apocalyptic number.

10011010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011010091 is an equidigital number, since it uses as much as digits as its factorization.

10011010091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 10011010091 its reverse (19001011001), we get a palindrome (29012021092).

The spelling of 10011010091 in words is "ten billion, eleven million, ten thousand, ninety-one".