1103220300 has 432 divisors, whose sum is σ = 4189231872. Its totient is φ = 221760000.

The previous prime is 1103220289. The next prime is 1103220329. The reversal of 1103220300 is 30223011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4395175 + ... + 4395425.

It is an arithmetic number, because the mean of its divisors is an integer number (9697296).

Almost surely, 2^1103220300 is an apocalyptic number.

1103220300 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 1103220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2094615936).

1103220300 is an abundant number, since it is smaller than the sum of its proper divisors (3086011572).

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

1103220300 is a wasteful number, since it uses less digits than its factorization.

1103220300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1103220300 is about 33214.7602731075. The cubic root of 1103220300 is about 1033.2864830187.

Adding to 1103220300 its reverse (30223011), we get a palindrome (1133443311).

The spelling of 1103220300 in words is "one billion, one hundred three million, two hundred twenty thousand, three hundred".