2321111320303 has 4 divisors (see below), whose sum is σ = 2339387787520. Its totient is φ = 2302834853088.

The previous prime is 2321111320271. The next prime is 2321111320313. The reversal of 2321111320303 is 3030231111232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2321111320303 - 2⁵ = 2321111320271 is a prime.

It is a super-2 number, since 2×2321111320303² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321111320313) 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 3 ways as a sum of consecutive naturals, for example, 9138233418 + ... + 9138233671.

It is an arithmetic number, because the mean of its divisors is an integer number (584846946880).

Almost surely, 2^{2321111320303} is an apocalyptic number.

2321111320303 is a deficient number, since it is larger than the sum of its proper divisors (18276467217).

2321111320303 is a wasteful number, since it uses less digits than its factorization.

2321111320303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18276467216.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2321111320303 its reverse (3030231111232), we get a palindrome (5351342431535).

The spelling of 2321111320303 in words is "two trillion, three hundred twenty-one billion, one hundred eleven million, three hundred twenty thousand, three hundred three".