1003003001201 has 2 divisors, whose sum is σ = 1003003001202. Its totient is φ = 1003003001200.

The previous prime is 1003003001191. The next prime is 1003003001219. The reversal of 1003003001201 is 1021003003001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 715337042176 + 287665959025 = 845776^2 + 536345^2 .

It is an emirp because it is prime and its reverse (1021003003001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003003001201 - 2⁶ = 1003003001137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003003001801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501501500600 + 501501500601.

It is an arithmetic number, because the mean of its divisors is an integer number (501501500601).

Almost surely, 2^{1003003001201} is an apocalyptic number.

It is an amenable number.

1003003001201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003003001201 is an equidigital number, since it uses as much as digits as its factorization.

1003003001201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 1003003001201 its reverse (1021003003001), we get a palindrome (2024006004202).

The spelling of 1003003001201 in words is "one trillion, three billion, three million, one thousand, two hundred one".