12211133 has 4 divisors (see below), whose sum is σ = 13321248. Its totient is φ = 11101020.

The previous prime is 12211127. The next prime is 12211139. The reversal of 12211133 is 33111221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12211127) and next prime (12211139).

It is a cyclic number.

It is not a de Polignac number, because 12211133 - 2¹⁶ = 12145597 is a prime.

It is a super-2 number, since 2×12211133² = 298223538287378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211139) 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, 555041 + ... + 555062.

It is an arithmetic number, because the mean of its divisors is an integer number (3330312).

Almost surely, 2^12211133 is an apocalyptic number.

It is an amenable number.

12211133 is a deficient number, since it is larger than the sum of its proper divisors (1110115).

12211133 is a wasteful number, since it uses less digits than its factorization.

12211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110114.

The product of its digits is 36, while the sum is 14.

The square root of 12211133 is about 3494.4431602188. The cubic root of 12211133 is about 230.2777551764.

Adding to 12211133 its reverse (33111221), we get a palindrome (45322354).

The spelling of 12211133 in words is "twelve million, two hundred eleven thousand, one hundred thirty-three".