111103211002200 has 384 divisors, whose sum is σ = 361404148654080. Its totient is φ = 28181027635200.

The previous prime is 111103211002187. The next prime is 111103211002219. The reversal of 111103211002200 is 2200112301111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111103211002200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9997583844 + ... + 9997594956.

It is an arithmetic number, because the mean of its divisors is an integer number (941156637120).

Almost surely, 2^{111103211002200} is an apocalyptic number.

111103211002200 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 111103211002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180702074327040).

111103211002200 is an abundant number, since it is smaller than the sum of its proper divisors (250300937651880).

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

111103211002200 is a wasteful number, since it uses less digits than its factorization.

111103211002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139 (or 15130 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111103211002200 its reverse (2200112301111), we get a palindrome (113303323303311).

The spelling of 111103211002200 in words is "one hundred eleven trillion, one hundred three billion, two hundred eleven million, two thousand, two hundred".