21022324213 has 8 divisors (see below), whose sum is σ = 22934514240. Its totient is φ = 19110312480.

The previous prime is 21022324189. The next prime is 21022324241. The reversal of 21022324213 is 31242322012.

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

It is a cyclic number.

It is not a de Polignac number, because 21022324213 - 2⁵ = 21022324181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022324243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 368248 + ... + 421486.

It is an arithmetic number, because the mean of its divisors is an integer number (2866814280).

Almost surely, 2^21022324213 is an apocalyptic number.

It is an amenable number.

21022324213 is a deficient number, since it is larger than the sum of its proper divisors (1912190027).

21022324213 is a wasteful number, since it uses less digits than its factorization.

21022324213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89147.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21022324213 its reverse (31242322012), we get a palindrome (52264646225).

The spelling of 21022324213 in words is "twenty-one billion, twenty-two million, three hundred twenty-four thousand, two hundred thirteen".