2203330321321 has 4 divisors (see below), whose sum is σ = 2203385509332. Its totient is φ = 2203275133312.

The previous prime is 2203330321279. The next prime is 2203330321349. The reversal of 2203330321321 is 1231230333022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 806289060096 + 1397041261225 = 897936^2 + 1181965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203330321321 - 2¹⁷ = 2203330190249 is a prime.

It is a super-2 number, since 2×2203330321321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203330321391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27534076 + ... + 27613981.

It is an arithmetic number, because the mean of its divisors is an integer number (550846377333).

Almost surely, 2^{2203330321321} is an apocalyptic number.

It is an amenable number.

2203330321321 is a deficient number, since it is larger than the sum of its proper divisors (55188011).

2203330321321 is an equidigital number, since it uses as much as digits as its factorization.

2203330321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55188010.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2203330321321 its reverse (1231230333022), we get a palindrome (3434560654343).

The spelling of 2203330321321 in words is "two trillion, two hundred three billion, three hundred thirty million, three hundred twenty-one thousand, three hundred twenty-one".