11112271 has 16 divisors (see below), whose sum is σ = 12247200. Its totient is φ = 10040320.

The previous prime is 11112263. The next prime is 11112287. The reversal of 11112271 is 17221111.

It is a cyclic number.

It is not a de Polignac number, because 11112271 - 2³ = 11112263 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 (11112251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74505 + ... + 74653.

It is an arithmetic number, because the mean of its divisors is an integer number (765450).

Almost surely, 2^11112271 is an apocalyptic number.

11112271 is a deficient number, since it is larger than the sum of its proper divisors (1134929).

11112271 is a wasteful number, since it uses less digits than its factorization.

11112271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its digits is 28, while the sum is 16.

The square root of 11112271 is about 3333.5073121264. The cubic root of 11112271 is about 223.1520811023.

Adding to 11112271 its reverse (17221111), we get a palindrome (28333382).

The spelling of 11112271 in words is "eleven million, one hundred twelve thousand, two hundred seventy-one".