11121200 has 30 divisors (see below), whose sum is σ = 26719644. Its totient is φ = 4448320.

The previous prime is 11121197. The next prime is 11121217. The reversal of 11121200 is 212111.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13502 + ... + 14301.

Almost surely, 2^11121200 is an apocalyptic number.

11121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121200 is an abundant number, since it is smaller than the sum of its proper divisors (15598444).

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

11121200 is a wasteful number, since it uses less digits than its factorization.

11121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27821 (or 27810 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 11121200 is about 3334.8463232959. The cubic root of 11121200 is about 223.2118346093.

Adding to 11121200 its reverse (212111), we get a palindrome (11333311).

The spelling of 11121200 in words is "eleven million, one hundred twenty-one thousand, two hundred".