11109271 has 4 divisors (see below), whose sum is σ = 11217232. Its totient is φ = 11001312.

The previous prime is 11109227. The next prime is 11109289. The reversal of 11109271 is 17290111.

11109271 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11109271 - 2¹⁹ = 10584983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11109671) 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, 53826 + ... + 54031.

It is an arithmetic number, because the mean of its divisors is an integer number (2804308).

Almost surely, 2^11109271 is an apocalyptic number.

11109271 is a deficient number, since it is larger than the sum of its proper divisors (107961).

11109271 is a wasteful number, since it uses less digits than its factorization.

11109271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107960.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 11109271 is about 3333.0573052379. The cubic root of 11109271 is about 223.1319977039.

Adding to 11109271 its reverse (17290111), we get a palindrome (28399382).

The spelling of 11109271 in words is "eleven million, one hundred nine thousand, two hundred seventy-one".