2100320322303 has 24 divisors (see below), whose sum is σ = 3258917270400. Its totient is φ = 1199712351600.

The previous prime is 2100320322281. The next prime is 2100320322311. The reversal of 2100320322303 is 3032230230012.

It is not a de Polignac number, because 2100320322303 - 2⁶ = 2100320322239 is a prime.

It is a super-3 number, since 3×2100320322303³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2100320322303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100320322703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2425453 + ... + 3175446.

It is an arithmetic number, because the mean of its divisors is an integer number (135788219600).

Almost surely, 2^{2100320322303} is an apocalyptic number.

2100320322303 is a deficient number, since it is larger than the sum of its proper divisors (1158596948097).

2100320322303 is a wasteful number, since it uses less digits than its factorization.

2100320322303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603467 (or 5603460 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 2100320322303 its reverse (3032230230012), we get a palindrome (5132550552315).

The spelling of 2100320322303 in words is "two trillion, one hundred billion, three hundred twenty million, three hundred twenty-two thousand, three hundred three".