12321321101 has 8 divisors (see below), whose sum is σ = 12796817664. Its totient is φ = 11850701760.

The previous prime is 12321321083. The next prime is 12321321127. The reversal of 12321321101 is 10112312321.

12321321101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12321321101 - 2¹⁴ = 12321304717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12321321101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321321161) 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 7 ways as a sum of consecutive naturals, for example, 1214156 + ... + 1224261.

It is an arithmetic number, because the mean of its divisors is an integer number (1599602208).

Almost surely, 2^12321321101 is an apocalyptic number.

It is an amenable number.

12321321101 is a deficient number, since it is larger than the sum of its proper divisors (475496563).

12321321101 is a wasteful number, since it uses less digits than its factorization.

12321321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438611.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12321321101 its reverse (10112312321), we get a palindrome (22433633422).

The spelling of 12321321101 in words is "twelve billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred one".