11211 has 8 divisors (see below), whose sum is σ = 15504. Its totient is φ = 7200.

The previous prime is 11197. The next prime is 11213.

11211 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 11211 - 2⁷ = 11083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213) 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, 61 + ... + 161.

It is an arithmetic number, because the mean of its divisors is an integer number (1938).

2¹¹²¹¹ is an apocalyptic number.

11211 is a deficient number, since it is larger than the sum of its proper divisors (4293).

11211 is a wasteful number, since it uses less digits than its factorization.

11211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its digits is 2, while the sum is 6.

The square root of 11211 is about 105.8820098034. The cubic root of 11211 is about 22.3811011940.

It can be divided in two parts, 11 and 211, that added together give a palindrome (222).

The spelling of 11211 in words is "eleven thousand, two hundred eleven", and thus it is an iban number.