11101010110091 has 4 divisors (see below), whose sum is σ = 12110192847384. Its totient is φ = 10091827372800.

The previous prime is 11101010110039. The next prime is 11101010110139. The reversal of 11101010110091 is 19001101010111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101010110091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101010110031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504591368630 + ... + 504591368651.

It is an arithmetic number, because the mean of its divisors is an integer number (3027548211846).

Almost surely, 2^{11101010110091} is an apocalyptic number.

11101010110091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11101010110091 is a deficient number, since it is larger than the sum of its proper divisors (1009182737293).

11101010110091 is a wasteful number, since it uses less digits than its factorization.

11101010110091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009182737292.

The product of its (nonzero) digits is 9, while the sum is 17.

The spelling of 11101010110091 in words is "eleven trillion, one hundred one billion, ten million, one hundred ten thousand, ninety-one".