11212133233 has 16 divisors (see below), whose sum is σ = 13572814464. Its totient is φ = 9041621760.

The previous prime is 11212133221. The next prime is 11212133237. The reversal of 11212133233 is 33233121211.

11212133233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11212133233 - 2²⁹ = 10675262321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212133237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320998 + ... + 354208.

It is an arithmetic number, because the mean of its divisors is an integer number (848300904).

Almost surely, 2^11212133233 is an apocalyptic number.

It is an amenable number.

11212133233 is a deficient number, since it is larger than the sum of its proper divisors (2360681231).

11212133233 is a wasteful number, since it uses less digits than its factorization.

11212133233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36072.

The product of its digits is 648, while the sum is 22.

Adding to 11212133233 its reverse (33233121211), we get a palindrome (44445254444).

The spelling of 11212133233 in words is "eleven billion, two hundred twelve million, one hundred thirty-three thousand, two hundred thirty-three".