2003301122281 has 2 divisors, whose sum is σ = 2003301122282. Its totient is φ = 2003301122280.

The previous prime is 2003301122269. The next prime is 2003301122341. The reversal of 2003301122281 is 1822211033002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1941842250000 + 61458872281 = 1393500^2 + 247909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003301122281 is a prime.

It is a super-2 number, since 2×2003301122281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2003301122981) 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 as a sum of consecutive naturals, namely, 1001650561140 + 1001650561141.

It is an arithmetic number, because the mean of its divisors is an integer number (1001650561141).

Almost surely, 2^{2003301122281} is an apocalyptic number.

It is an amenable number.

2003301122281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003301122281 is an equidigital number, since it uses as much as digits as its factorization.

2003301122281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 2003301122281 its reverse (1822211033002), we get a palindrome (3825512155283).

The spelling of 2003301122281 in words is "two trillion, three billion, three hundred one million, one hundred twenty-two thousand, two hundred eighty-one".