21133302213223 has 8 divisors (see below), whose sum is σ = 21836388000896. Its totient is φ = 20431551823200.

The previous prime is 21133302213217. The next prime is 21133302213239. The reversal of 21133302213223 is 32231220333112.

It is a happy number.

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 21133302213223 - 2¹³ = 21133302205031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21133302213191 and 21133302213200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133302223223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333817236 + ... + 333880537.

It is an arithmetic number, because the mean of its divisors is an integer number (2729548500112).

Almost surely, 2^{21133302213223} is an apocalyptic number.

21133302213223 is a deficient number, since it is larger than the sum of its proper divisors (703085787673).

21133302213223 is a wasteful number, since it uses less digits than its factorization.

21133302213223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667698825.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21133302213223 its reverse (32231220333112), we get a palindrome (53364522546335).

The spelling of 21133302213223 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred two million, two hundred thirteen thousand, two hundred twenty-three".