10111110010091 has 2 divisors, whose sum is σ = 10111110010092. Its totient is φ = 10111110010090.

The previous prime is 10111110010087. The next prime is 10111110010189. The reversal of 10111110010091 is 19001001111101.

It is a weak prime.

It is an emirp because it is prime and its reverse (19001001111101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10111110010091 - 2² = 10111110010087 is a prime.

It is not a weakly prime, because it can be changed into another prime (10111110018091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055555005045 + 5055555005046.

It is an arithmetic number, because the mean of its divisors is an integer number (5055555005046).

Almost surely, 2^{10111110010091} is an apocalyptic number.

10111110010091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111110010091 is an equidigital number, since it uses as much as digits as its factorization.

10111110010091 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 17.

Adding to 10111110010091 its reverse (19001001111101), we get a palindrome (29112111121192).

The spelling of 10111110010091 in words is "ten trillion, one hundred eleven billion, one hundred ten million, ten thousand, ninety-one".