11320211 has 8 divisors (see below), whose sum is σ = 13004640. Its totient is φ = 9652608.

The previous prime is 11320189. The next prime is 11320213. The reversal of 11320211 is 11202311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11320211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11320192 and 11320201.

It is not an unprimeable number, because it can be changed into a prime (11320213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726 + ... + 5483.

It is an arithmetic number, because the mean of its divisors is an integer number (1625580).

Almost surely, 2^11320211 is an apocalyptic number.

11320211 is a deficient number, since it is larger than the sum of its proper divisors (1684429).

11320211 is an equidigital number, since it uses as much as digits as its factorization.

11320211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8413.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 11320211 is about 3364.5521247263. The cubic root of 11320211 is about 224.5354100788.

Adding to 11320211 its reverse (11202311), we get a palindrome (22522522).

The spelling of 11320211 in words is "eleven million, three hundred twenty thousand, two hundred eleven".