21202330112224 has 24 divisors (see below), whose sum is σ = 43181469734760. Its totient is φ = 10235607639936.

The previous prime is 21202330112207. The next prime is 21202330112231. The reversal of 21202330112224 is 42221103320212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11423668314 + ... + 11423670169.

It is an arithmetic number, because the mean of its divisors is an integer number (1799227905615).

Almost surely, 2^{21202330112224} is an apocalyptic number.

It is an amenable number.

21202330112224 is an abundant number, since it is smaller than the sum of its proper divisors (21979139622536).

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

21202330112224 is a wasteful number, since it uses less digits than its factorization.

21202330112224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22847338522 (or 22847338514 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21202330112224 its reverse (42221103320212), we get a palindrome (63423433432436).

The spelling of 21202330112224 in words is "twenty-one trillion, two hundred two billion, three hundred thirty million, one hundred twelve thousand, two hundred twenty-four".