11242211 has 4 divisors (see below), whose sum is σ = 11400624. Its totient is φ = 11083800.

The previous prime is 11242177. The next prime is 11242223. The reversal of 11242211 is 11224211.

It is a happy number.

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 11242211 - 2¹⁰ = 11241187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11242261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79100 + ... + 79241.

It is an arithmetic number, because the mean of its divisors is an integer number (2850156).

Almost surely, 2^11242211 is an apocalyptic number.

11242211 is a deficient number, since it is larger than the sum of its proper divisors (158413).

11242211 is an equidigital number, since it uses as much as digits as its factorization.

11242211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158412.

The product of its digits is 32, while the sum is 14.

The square root of 11242211 is about 3352.9406496388. The cubic root of 11242211 is about 224.0185132977.

Adding to 11242211 its reverse (11224211), we get a palindrome (22466422).

The spelling of 11242211 in words is "eleven million, two hundred forty-two thousand, two hundred eleven".