10011331091 has 2 divisors, whose sum is σ = 10011331092. Its totient is φ = 10011331090.

The previous prime is 10011331069. The next prime is 10011331139. The reversal of 10011331091 is 19013311001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10011331091 - 2³⁰ = 8937589267 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011331391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005665545 + 5005665546.

It is an arithmetic number, because the mean of its divisors is an integer number (5005665546).

Almost surely, 2^10011331091 is an apocalyptic number.

10011331091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011331091 is an equidigital number, since it uses as much as digits as its factorization.

10011331091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 10011331091 its reverse (19013311001), we get a palindrome (29024642092).

The spelling of 10011331091 in words is "ten billion, eleven million, three hundred thirty-one thousand, ninety-one".