1002203040321 has 48 divisors (see below), whose sum is σ = 1752210130944. Its totient is φ = 560502567504.

The previous prime is 1002203040263. The next prime is 1002203040353. The reversal of 1002203040321 is 1230403022001.

1002203040321 is a `hidden beast` number, since 10 + 0 + 220 + 30 + 403 + 2 + 1 = 666.

It is not a de Polignac number, because 1002203040321 - 2¹¹ = 1002203038273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002203040294 and 1002203040303.

It is not an unprimeable number, because it can be changed into a prime (1002203040121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6187975 + ... + 6347868.

It is an arithmetic number, because the mean of its divisors is an integer number (36504377728).

Almost surely, 2^{1002203040321} is an apocalyptic number.

It is an amenable number.

1002203040321 is a deficient number, since it is larger than the sum of its proper divisors (750007090623).

1002203040321 is an equidigital number, since it uses as much as digits as its factorization.

1002203040321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12535912 (or 12535900 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1002203040321 its reverse (1230403022001), we get a palindrome (2232606062322).

The spelling of 1002203040321 in words is "one trillion, two billion, two hundred three million, forty thousand, three hundred twenty-one".