11321123312103 has 8 divisors (see below), whose sum is σ = 16467088454016. Its totient is φ = 6861286855800.

The previous prime is 11321123312041. The next prime is 11321123312189. The reversal of 11321123312103 is 30121332112311.

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

It is not a de Polignac number, because 11321123312103 - 2¹⁴ = 11321123295719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321123313103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171532171363 + ... + 171532171428.

It is an arithmetic number, because the mean of its divisors is an integer number (2058386056752).

Almost surely, 2^{11321123312103} is an apocalyptic number.

11321123312103 is a deficient number, since it is larger than the sum of its proper divisors (5145965141913).

11321123312103 is a wasteful number, since it uses less digits than its factorization.

11321123312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343064342805.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11321123312103 its reverse (30121332112311), we get a palindrome (41442455424414).

The spelling of 11321123312103 in words is "eleven trillion, three hundred twenty-one billion, one hundred twenty-three million, three hundred twelve thousand, one hundred three".