221441243300 has 36 divisors (see below), whose sum is σ = 483709832256. Its totient is φ = 87989892000.

The previous prime is 221441243281. The next prime is 221441243329. The reversal of 221441243300 is 3342144122.

It is a self number, because there is not a number n which added to its sum of digits gives 221441243300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7317392 + ... + 7347591.

Almost surely, 2^221441243300 is an apocalyptic number.

221441243300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221441243300 is an abundant number, since it is smaller than the sum of its proper divisors (262268588956).

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

221441243300 is a wasteful number, since it uses less digits than its factorization.

221441243300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14665148 (or 14665141 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 221441243300 its reverse (3342144122), we get a palindrome (224783387422).

The spelling of 221441243300 in words is "two hundred twenty-one billion, four hundred forty-one million, two hundred forty-three thousand, three hundred".