1003321111002 has 32 divisors (see below), whose sum is σ = 2293500534144. Its totient is φ = 286638782400.

The previous prime is 1003321110989. The next prime is 1003321111003. The reversal of 1003321111002 is 2001111233001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1003321111003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513949 + ... + 1506912.

It is an arithmetic number, because the mean of its divisors is an integer number (71671891692).

Almost surely, 2^{1003321111002} is an apocalyptic number.

1003321111002 is an abundant number, since it is smaller than the sum of its proper divisors (1290179423142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003321111002 is a wasteful number, since it uses less digits than its factorization.

1003321111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032694.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1003321111002 its reverse (2001111233001), we get a palindrome (3004432344003).

The spelling of 1003321111002 in words is "one trillion, three billion, three hundred twenty-one million, one hundred eleven thousand, two".