11321331002103 has 16 divisors (see below), whose sum is σ = 15258896979200. Its totient is φ = 7465742873856.

The previous prime is 11321331002101. The next prime is 11321331002159. The reversal of 11321331002103 is 30120013312311.

It is a happy number.

It is not a de Polignac number, because 11321331002103 - 2¹ = 11321331002101 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 11321331002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321331002101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9875803 + ... + 10962396.

It is an arithmetic number, because the mean of its divisors is an integer number (953681061200).

Almost surely, 2^{11321331002103} is an apocalyptic number.

11321331002103 is a deficient number, since it is larger than the sum of its proper divisors (3937565977097).

11321331002103 is a wasteful number, since it uses less digits than its factorization.

11321331002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20840166.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11321331002103 its reverse (30120013312311), we get a palindrome (41441344314414).

The spelling of 11321331002103 in words is "eleven trillion, three hundred twenty-one billion, three hundred thirty-one million, two thousand, one hundred three".