11331230211 has 24 divisors (see below), whose sum is σ = 19398322944. Its totient is φ = 6474987720.

The previous prime is 11331230171. The next prime is 11331230219. The reversal of 11331230211 is 11203213311.

11331230211 is a `hidden beast` number, since 113 + 312 + 30 + 211 = 666.

It is not a de Polignac number, because 11331230211 - 2¹⁷ = 11331099139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331230219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3329055 + ... + 3332456.

It is an arithmetic number, because the mean of its divisors is an integer number (808263456).

Almost surely, 2^11331230211 is an apocalyptic number.

11331230211 is a deficient number, since it is larger than the sum of its proper divisors (8067092733).

11331230211 is an frugal number, since it uses more digits than its factorization.

11331230211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661533 (or 6661521 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11331230211 its reverse (11203213311), we get a palindrome (22534443522).

The spelling of 11331230211 in words is "eleven billion, three hundred thirty-one million, two hundred thirty thousand, two hundred eleven".