2042003203321 has 2 divisors, whose sum is σ = 2042003203322. Its totient is φ = 2042003203320.

The previous prime is 2042003203283. The next prime is 2042003203343. The reversal of 2042003203321 is 1233023002402.

It is an a-pointer prime, because the next prime (2042003203343) can be obtained adding 2042003203321 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1896228145296 + 145775058025 = 1377036^2 + 381805^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042003203321 - 2²¹ = 2042001106169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2042003203292 and 2042003203301.

It is not a weakly prime, because it can be changed into another prime (2042003203351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021001601660 + 1021001601661.

It is an arithmetic number, because the mean of its divisors is an integer number (1021001601661).

Almost surely, 2^{2042003203321} is an apocalyptic number.

It is an amenable number.

2042003203321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042003203321 is an equidigital number, since it uses as much as digits as its factorization.

2042003203321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 2042003203321 its reverse (1233023002402), we get a palindrome (3275026205723).

The spelling of 2042003203321 in words is "two trillion, forty-two billion, three million, two hundred three thousand, three hundred twenty-one".