11103123323100 has 144 divisors (see below), whose sum is σ = 32673271276800. Its totient is φ = 2910315870720.

The previous prime is 11103123323081. The next prime is 11103123323189. The reversal of 11103123323100 is 132332130111.

It is a happy number.

It is a super-2 number, since 2×11103123323100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179960457 + ... + 180022143.

It is an arithmetic number, because the mean of its divisors is an integer number (226897717200).

Almost surely, 2^{11103123323100} is an apocalyptic number.

11103123323100 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 11103123323100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16336635638400).

11103123323100 is an abundant number, since it is smaller than the sum of its proper divisors (21570147953700).

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

11103123323100 is a wasteful number, since it uses less digits than its factorization.

11103123323100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71932 (or 71925 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11103123323100 its reverse (132332130111), we get a palindrome (11235455453211).

The spelling of 11103123323100 in words is "eleven trillion, one hundred three billion, one hundred twenty-three million, three hundred twenty-three thousand, one hundred".