21223010333 has 8 divisors (see below), whose sum is σ = 24271170240. Its totient is φ = 18178925760.

The previous prime is 21223010309. The next prime is 21223010351. The reversal of 21223010333 is 33301032212.

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 21223010333 - 2⁶ = 21223010269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223010233) 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, 1007663 + ... + 1028508.

It is an arithmetic number, because the mean of its divisors is an integer number (3033896280).

Almost surely, 2^21223010333 is an apocalyptic number.

It is an amenable number.

21223010333 is a deficient number, since it is larger than the sum of its proper divisors (3048159907).

21223010333 is a wasteful number, since it uses less digits than its factorization.

21223010333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037667.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21223010333 its reverse (33301032212), we get a palindrome (54524042545).

The spelling of 21223010333 in words is "twenty-one billion, two hundred twenty-three million, ten thousand, three hundred thirty-three".