21030322333 has 8 divisors (see below), whose sum is σ = 21522188160. Its totient is φ = 20543891760.

The previous prime is 21030322289. The next prime is 21030322351. The reversal of 21030322333 is 33322303012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21030322333 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 (21030322433) 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, 1350985 + ... + 1366462.

It is an arithmetic number, because the mean of its divisors is an integer number (2690273520).

Almost surely, 2^21030322333 is an apocalyptic number.

It is an amenable number.

21030322333 is a deficient number, since it is larger than the sum of its proper divisors (491865827).

21030322333 is a wasteful number, since it uses less digits than its factorization.

21030322333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717627.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 21030322333 its reverse (33322303012), we get a palindrome (54352625345).

The spelling of 21030322333 in words is "twenty-one billion, thirty million, three hundred twenty-two thousand, three hundred thirty-three".