11321213121332 has 12 divisors (see below), whose sum is σ = 19826680005636. Its totient is φ = 5656447405440.

The previous prime is 11321213121331. The next prime is 11321213121343. The reversal of 11321213121332 is 23312131212311.

It can be written as a sum of positive squares in 2 ways, for example, as 2978786039056 + 8342427082276 = 1725916^2 + 2888326^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321213121331) 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, 1039782683 + ... + 1039793570.

It is an arithmetic number, because the mean of its divisors is an integer number (1652223333803).

Almost surely, 2^{11321213121332} is an apocalyptic number.

It is an amenable number.

11321213121332 is a deficient number, since it is larger than the sum of its proper divisors (8505466884304).

11321213121332 is a wasteful number, since it uses less digits than its factorization.

11321213121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079577618 (or 2079577616 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

Adding to 11321213121332 its reverse (23312131212311), we get a palindrome (34633344333643).

The spelling of 11321213121332 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred thirty-two".