1123103332200 has 144 divisors (see below), whose sum is σ = 3568612263840. Its totient is φ = 292189222400.

The previous prime is 1123103332189. The next prime is 1123103332207. The reversal of 1123103332200 is 22333013211.

It is a super-2 number, since 2×1123103332200² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123103332207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 451837 + ... + 1565363.

It is an arithmetic number, because the mean of its divisors is an integer number (24782029610).

Almost surely, 2^{1123103332200} is an apocalyptic number.

1123103332200 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 1123103332200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784306131920).

1123103332200 is an abundant number, since it is smaller than the sum of its proper divisors (2445508931640).

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

1123103332200 is a wasteful number, since it uses less digits than its factorization.

1123103332200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113628 (or 1113578 counting only the distinct ones).

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

Adding to 1123103332200 its reverse (22333013211), we get a palindrome (1145436345411).

The spelling of 1123103332200 in words is "one trillion, one hundred twenty-three billion, one hundred three million, three hundred thirty-two thousand, two hundred".