11011111271 has 2 divisors, whose sum is σ = 11011111272. Its totient is φ = 11011111270.

The previous prime is 11011111229. The next prime is 11011111273. The reversal of 11011111271 is 17211111011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11011111271 - 2³⁰ = 9937369447 is a prime.

Together with 11011111273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011111273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505555635 + 5505555636.

It is an arithmetic number, because the mean of its divisors is an integer number (5505555636).

Almost surely, 2^11011111271 is an apocalyptic number.

11011111271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011111271 is an equidigital number, since it uses as much as digits as its factorization.

11011111271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 17.

Adding to 11011111271 its reverse (17211111011), we get a palindrome (28222222282).

The spelling of 11011111271 in words is "eleven billion, eleven million, one hundred eleven thousand, two hundred seventy-one".