1103221113200 has 120 divisors (see below), whose sum is σ = 2807175900672. Its totient is φ = 415215452160.

The previous prime is 1103221113167. The next prime is 1103221113229. The reversal of 1103221113200 is 23111223011.

It is a super-2 number, since 2×1103221113200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26955152 + ... + 26996048.

Almost surely, 2^{1103221113200} is an apocalyptic number.

1103221113200 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 1103221113200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403587950336).

1103221113200 is an abundant number, since it is smaller than the sum of its proper divisors (1703954787472).

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

1103221113200 is a wasteful number, since it uses less digits than its factorization.

1103221113200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44899 (or 44888 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1103221113200 its reverse (23111223011), we get a palindrome (1126332336211).

The spelling of 1103221113200 in words is "one trillion, one hundred three billion, two hundred twenty-one million, one hundred thirteen thousand, two hundred".