11021312200 has 96 divisors (see below), whose sum is σ = 26545800960. Its totient is φ = 4251052800.

The previous prime is 11021312171. The next prime is 11021312219. The reversal of 11021312200 is 221312011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1813567 + ... + 1819633.

It is an arithmetic number, because the mean of its divisors is an integer number (276518760).

Almost surely, 2^11021312200 is an apocalyptic number.

11021312200 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 11021312200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13272900480).

11021312200 is an abundant number, since it is smaller than the sum of its proper divisors (15524488760).

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

11021312200 is a wasteful number, since it uses less digits than its factorization.

11021312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407 (or 6398 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11021312200 its reverse (221312011), we get a palindrome (11242624211).

The spelling of 11021312200 in words is "eleven billion, twenty-one million, three hundred twelve thousand, two hundred".