1103323113200 has 480 divisors, whose sum is σ = 3593847979008. Its totient is φ = 314910720000.

The previous prime is 1103323113199. The next prime is 1103323113209. The reversal of 1103323113200 is 23113233011.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103323113209) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19344725 + ... + 19401675.

Almost surely, 2^{1103323113200} is an apocalyptic number.

1103323113200 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 1103323113200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1796923989504).

1103323113200 is an abundant number, since it is smaller than the sum of its proper divisors (2490524865808).

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

1103323113200 is a wasteful number, since it uses less digits than its factorization.

1103323113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57041 (or 57030 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1103323113200 its reverse (23113233011), we get a palindrome (1126436346211).

The spelling of 1103323113200 in words is "one trillion, one hundred three billion, three hundred twenty-three million, one hundred thirteen thousand, two hundred".