1002030221003 has 6 divisors (see below), whose sum is σ = 1165626991836. Its totient is φ = 858883046532.

The previous prime is 1002030220999. The next prime is 1002030221011. The reversal of 1002030221003 is 3001220302001.

It is a happy number.

It is not a de Polignac number, because 1002030221003 - 2² = 1002030220999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002030221063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10224798125 + ... + 10224798222.

It is an arithmetic number, because the mean of its divisors is an integer number (194271165306).

Almost surely, 2^{1002030221003} is an apocalyptic number.

1002030221003 is a deficient number, since it is larger than the sum of its proper divisors (163596770833).

1002030221003 is an equidigital number, since it uses as much as digits as its factorization.

1002030221003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20449596361 (or 20449596354 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 1002030221003 its reverse (3001220302001), we get a palindrome (4003250523004).

The spelling of 1002030221003 in words is "one trillion, two billion, thirty million, two hundred twenty-one thousand, three".