1003020201003 has 4 divisors (see below), whose sum is σ = 1337360268008. Its totient is φ = 668680134000.

The previous prime is 1003020200957. The next prime is 1003020201017. The reversal of 1003020201003 is 3001020203001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1003020201003 - 2⁹ = 1003020200491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1003020201003.

It is not an unprimeable number, because it can be changed into a prime (1003020201203) 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 in 3 ways as a sum of consecutive naturals, for example, 167170033498 + ... + 167170033503.

It is an arithmetic number, because the mean of its divisors is an integer number (334340067002).

Almost surely, 2^{1003020201003} is an apocalyptic number.

1003020201003 is a deficient number, since it is larger than the sum of its proper divisors (334340067005).

1003020201003 is an equidigital number, since it uses as much as digits as its factorization.

1003020201003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334340067004.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1003020201003 its reverse (3001020203001), we get a palindrome (4004040404004).

The spelling of 1003020201003 in words is "one trillion, three billion, twenty million, two hundred one thousand, three".