11223012221200 has 120 divisors (see below), whose sum is σ = 29060035538688. Its totient is φ = 4140649136640.

The previous prime is 11223012221173. The next prime is 11223012221221. The reversal of 11223012221200 is 212221032211.

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, 5830497 + ... + 7512703.

Almost surely, 2^{11223012221200} is an apocalyptic number.

11223012221200 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 11223012221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14530017769344).

11223012221200 is an abundant number, since it is smaller than the sum of its proper divisors (17837023317488).

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

11223012221200 is a wasteful number, since it uses less digits than its factorization.

11223012221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683521 (or 1683510 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11223012221200 its reverse (212221032211), we get a palindrome (11435233253411).

The spelling of 11223012221200 in words is "eleven trillion, two hundred twenty-three billion, twelve million, two hundred twenty-one thousand, two hundred".