10111011091 has 2 divisors, whose sum is σ = 10111011092. Its totient is φ = 10111011090.

The previous prime is 10111011089. The next prime is 10111011133. The reversal of 10111011091 is 19011011101.

It is a weak prime.

It is an emirp because it is prime and its reverse (19011011101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10111011091 - 2¹ = 10111011089 is a prime.

Together with 10111011089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10111011191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055505545 + 5055505546.

It is an arithmetic number, because the mean of its divisors is an integer number (5055505546).

Almost surely, 2^10111011091 is an apocalyptic number.

10111011091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111011091 is an equidigital number, since it uses as much as digits as its factorization.

10111011091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 16.

Adding to 10111011091 its reverse (19011011101), we get a palindrome (29122022192).

The spelling of 10111011091 in words is "ten billion, one hundred eleven million, eleven thousand, ninety-one".