11243312211 has 32 divisors (see below), whose sum is σ = 15776831488. Its totient is φ = 7113173760.

The previous prime is 11243312189. The next prime is 11243312231. The reversal of 11243312211 is 11221334211.

11243312211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11243312211 - 2¹³ = 11243304019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11243312231) 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 31 ways as a sum of consecutive naturals, for example, 4728855 + ... + 4731231.

It is an arithmetic number, because the mean of its divisors is an integer number (493025984).

Almost surely, 2^11243312211 is an apocalyptic number.

11243312211 is a deficient number, since it is larger than the sum of its proper divisors (4533519277).

11243312211 is a wasteful number, since it uses less digits than its factorization.

11243312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451.

The product of its digits is 288, while the sum is 21.

Adding to 11243312211 its reverse (11221334211), we get a palindrome (22464646422).

The spelling of 11243312211 in words is "eleven billion, two hundred forty-three million, three hundred twelve thousand, two hundred eleven".