1003321030120 has 128 divisors (see below), whose sum is σ = 2394148700160. Its totient is φ = 377839054080.

The previous prime is 1003321030087. The next prime is 1003321030121. The reversal of 1003321030120 is 210301233001.

It is a junction number, because it is equal to n+sod(n) for n = 1003321030094 and 1003321030103.

It is not an unprimeable number, because it can be changed into a prime (1003321030121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9681217 + ... + 9784303.

It is an arithmetic number, because the mean of its divisors is an integer number (18704286720).

Almost surely, 2^{1003321030120} is an apocalyptic number.

1003321030120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003321030120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197074350080).

1003321030120 is an abundant number, since it is smaller than the sum of its proper divisors (1390827670040).

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

1003321030120 is a wasteful number, since it uses less digits than its factorization.

1003321030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103343 (or 103339 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1003321030120 its reverse (210301233001), we get a palindrome (1213622263121).

The spelling of 1003321030120 in words is "one trillion, three billion, three hundred twenty-one million, thirty thousand, one hundred twenty".