10011111108091 has 2 divisors, whose sum is σ = 10011111108092. Its totient is φ = 10011111108090.

The previous prime is 10011111108083. The next prime is 10011111108107. The reversal of 10011111108091 is 19080111111001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10011111108091 - 2³ = 10011111108083 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011111108991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005555554045 + 5005555554046.

It is an arithmetic number, because the mean of its divisors is an integer number (5005555554046).

Almost surely, 2^{10011111108091} is an apocalyptic number.

10011111108091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011111108091 is an equidigital number, since it uses as much as digits as its factorization.

10011111108091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 25.

Adding to 10011111108091 its reverse (19080111111001), we get a palindrome (29091222219092).

The spelling of 10011111108091 in words is "ten trillion, eleven billion, one hundred eleven million, one hundred eight thousand, ninety-one".