21441124133200 has 60 divisors (see below), whose sum is σ = 53751966002208. Its totient is φ = 8203560534400.

The previous prime is 21441124133161. The next prime is 21441124133201. The reversal of 21441124133200 is 233142114412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21441124133201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165269286 + ... + 1165287685.

Almost surely, 2^{21441124133200} is an apocalyptic number.

21441124133200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21441124133200 is an abundant number, since it is smaller than the sum of its proper divisors (32310841869008).

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

21441124133200 is a wasteful number, since it uses less digits than its factorization.

21441124133200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330557012 (or 2330557001 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 21441124133200 its reverse (233142114412), we get a palindrome (21674266247612).

The spelling of 21441124133200 in words is "twenty-one trillion, four hundred forty-one billion, one hundred twenty-four million, one hundred thirty-three thousand, two hundred".