11101101011171 has 2 divisors, whose sum is σ = 11101101011172. Its totient is φ = 11101101011170.

The previous prime is 11101101011159. The next prime is 11101101011179. The reversal of 11101101011171 is 17111010110111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11101101011171 - 2²² = 11101096816867 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101101011179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550550505585 + 5550550505586.

It is an arithmetic number, because the mean of its divisors is an integer number (5550550505586).

Almost surely, 2^{11101101011171} is an apocalyptic number.

11101101011171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101101011171 is an equidigital number, since it uses as much as digits as its factorization.

11101101011171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7, while the sum is 17.

Adding to 11101101011171 its reverse (17111010110111), we get a palindrome (28212111121282).

The spelling of 11101101011171 in words is "eleven trillion, one hundred one billion, one hundred one million, eleven thousand, one hundred seventy-one".