11121022200 has 48 divisors (see below), whose sum is σ = 34475170680. Its totient is φ = 2965605760.

The previous prime is 11121022153. The next prime is 11121022219. The reversal of 11121022200 is 222012111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9266919 + ... + 9268118.

Almost surely, 2^11121022200 is an apocalyptic number.

11121022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121022200 is an abundant number, since it is smaller than the sum of its proper divisors (23354148480).

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

11121022200 is a wasteful number, since it uses less digits than its factorization.

11121022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18535056 (or 18535047 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11121022200 its reverse (222012111), we get a palindrome (11343034311).

The spelling of 11121022200 in words is "eleven billion, one hundred twenty-one million, twenty-two thousand, two hundred".