11021203200 has 216 divisors, whose sum is σ = 41568811648. Its totient is φ = 2519101440.

The previous prime is 11021203183. The next prime is 11021203201. The reversal of 11021203200 is 230212011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021203201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93399 + ... + 175401.

Almost surely, 2^11021203200 is an apocalyptic number.

11021203200 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 11021203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20784405824).

11021203200 is an abundant number, since it is smaller than the sum of its proper divisors (30547608448).

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

11021203200 is an equidigital number, since it uses as much as digits as its factorization.

11021203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82039 (or 82020 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11021203200 its reverse (230212011), we get a palindrome (11251415211).

The spelling of 11021203200 in words is "eleven billion, twenty-one million, two hundred three thousand, two hundred".