2203003321273 has 2 divisors, whose sum is σ = 2203003321274. Its totient is φ = 2203003321272.

The previous prime is 2203003321261. The next prime is 2203003321327. The reversal of 2203003321273 is 3721233003022.

Together with next prime (2203003321327) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1839137397904 + 363865923369 = 1356148^2 + 603213^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203003321273 - 2⁵ = 2203003321241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2203003321073) 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 as a sum of consecutive naturals, namely, 1101501660636 + 1101501660637.

It is an arithmetic number, because the mean of its divisors is an integer number (1101501660637).

Almost surely, 2^{2203003321273} is an apocalyptic number.

It is an amenable number.

2203003321273 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203003321273 is an equidigital number, since it uses as much as digits as its factorization.

2203003321273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 28.

Adding to 2203003321273 its reverse (3721233003022), we get a palindrome (5924236324295).

The spelling of 2203003321273 in words is "two trillion, two hundred three billion, three million, three hundred twenty-one thousand, two hundred seventy-three".