1001201003003 has 2 divisors, whose sum is σ = 1001201003004. Its totient is φ = 1001201003002.

The previous prime is 1001201002969. The next prime is 1001201003059. The reversal of 1001201003003 is 3003001021001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001201003003 - 2¹² = 1001200998907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001201003063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500600501501 + 500600501502.

It is an arithmetic number, because the mean of its divisors is an integer number (500600501502).

Almost surely, 2^{1001201003003} is an apocalyptic number.

1001201003003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001201003003 is an equidigital number, since it uses as much as digits as its factorization.

1001201003003 is an evil number, because the sum of its binary digits is even.

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

Adding to 1001201003003 its reverse (3003001021001), we get a palindrome (4004202024004).

The spelling of 1001201003003 in words is "one trillion, one billion, two hundred one million, three thousand, three".