11324112121 has 12 divisors (see below), whose sum is σ = 13174836132. Its totient is φ = 9704989728.

The previous prime is 11324112113. The next prime is 11324112181. The reversal of 11324112121 is 12121142311.

It can be written as a sum of positive squares in 2 ways, for example, as 583898896 + 10740213225 = 24164^2 + 103635^2 .

It is not a de Polignac number, because 11324112121 - 2³ = 11324112113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11324112181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477091 + ... + 500263.

It is an arithmetic number, because the mean of its divisors is an integer number (1097903011).

Almost surely, 2^11324112121 is an apocalyptic number.

It is an amenable number.

11324112121 is a deficient number, since it is larger than the sum of its proper divisors (1850724011).

11324112121 is an equidigital number, since it uses as much as digits as its factorization.

11324112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33160 (or 33153 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 11324112121 its reverse (12121142311), we get a palindrome (23445254432).

The spelling of 11324112121 in words is "eleven billion, three hundred twenty-four million, one hundred twelve thousand, one hundred twenty-one".