21224104103330 has 32 divisors (see below), whose sum is σ = 38232837734400. Its totient is φ = 8483098977472.

The previous prime is 21224104103309. The next prime is 21224104103333. The reversal of 21224104103330 is 3330140142212.

It is a self number, because there is not a number n which added to its sum of digits gives 21224104103330.

It is not an unprimeable number, because it can be changed into a prime (21224104103333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94207199 + ... + 94432221.

It is an arithmetic number, because the mean of its divisors is an integer number (1194776179200).

Almost surely, 2^{21224104103330} is an apocalyptic number.

21224104103330 is a deficient number, since it is larger than the sum of its proper divisors (17008733631070).

21224104103330 is a wasteful number, since it uses less digits than its factorization.

21224104103330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232258.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21224104103330 its reverse (3330140142212), we get a palindrome (24554244245542).

The spelling of 21224104103330 in words is "twenty-one trillion, two hundred twenty-four billion, one hundred four million, one hundred three thousand, three hundred thirty".