11010110001091 has 2 divisors, whose sum is σ = 11010110001092. Its totient is φ = 11010110001090.

The previous prime is 11010110001089. The next prime is 11010110001131. The reversal of 11010110001091 is 19010001101011.

11010110001091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11010110001091 - 2¹ = 11010110001089 is a prime.

It is a super-2 number, since 2×11010110001091² (a number of 27 digits) contains 22 as substring.

Together with 11010110001089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11010110001031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505055000545 + 5505055000546.

It is an arithmetic number, because the mean of its divisors is an integer number (5505055000546).

Almost surely, 2^{11010110001091} is an apocalyptic number.

11010110001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010110001091 is an equidigital number, since it uses as much as digits as its factorization.

11010110001091 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.

The spelling of 11010110001091 in words is "eleven trillion, ten billion, one hundred ten million, one thousand, ninety-one".