11203321030320 has 320 divisors, whose sum is σ = 37367588321280. Its totient is φ = 2767752658944.

The previous prime is 11203321030309. The next prime is 11203321030337. The reversal of 11203321030320 is 2303012330211.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260805964 + ... + 260848916.

It is an arithmetic number, because the mean of its divisors is an integer number (116773713504).

Almost surely, 2^{11203321030320} is an apocalyptic number.

11203321030320 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 11203321030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18683794160640).

11203321030320 is an abundant number, since it is smaller than the sum of its proper divisors (26164267290960).

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

11203321030320 is a wasteful number, since it uses less digits than its factorization.

11203321030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44252 (or 44246 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11203321030320 its reverse (2303012330211), we get a palindrome (13506333360531).

The spelling of 11203321030320 in words is "eleven trillion, two hundred three billion, three hundred twenty-one million, thirty thousand, three hundred twenty".