21223104214 has 8 divisors (see below), whose sum is σ = 34283476080. Its totient is φ = 9795278856.

The previous prime is 21223104211. The next prime is 21223104251. The reversal of 21223104214 is 41240132212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223104211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408136594 + ... + 408136645.

It is an arithmetic number, because the mean of its divisors is an integer number (4285434510).

Almost surely, 2^21223104214 is an apocalyptic number.

21223104214 is a deficient number, since it is larger than the sum of its proper divisors (13060371866).

21223104214 is a wasteful number, since it uses less digits than its factorization.

21223104214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816273254.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21223104214 its reverse (41240132212), we get a palindrome (62463236426).

The spelling of 21223104214 in words is "twenty-one billion, two hundred twenty-three million, one hundred four thousand, two hundred fourteen".