21333122323233 has 32 divisors (see below), whose sum is σ = 32761903534080. Its totient is φ = 12095189870400.

The previous prime is 21333122323207. The next prime is 21333122323273. The reversal of 21333122323233 is 33232322133312.

It is not a de Polignac number, because 21333122323233 - 2¹⁸ = 21333122061089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21333122323194 and 21333122323203.

It is not an unprimeable number, because it can be changed into a prime (21333122323273) 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 31 ways as a sum of consecutive naturals, for example, 1348810 + ... + 6669747.

It is an arithmetic number, because the mean of its divisors is an integer number (1023809485440).

Almost surely, 2^{21333122323233} is an apocalyptic number.

It is an amenable number.

21333122323233 is a deficient number, since it is larger than the sum of its proper divisors (11428781210847).

21333122323233 is a wasteful number, since it uses less digits than its factorization.

21333122323233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8019557.

The product of its digits is 69984, while the sum is 33.

Adding to 21333122323233 its reverse (33232322133312), we get a palindrome (54565444456545).

The spelling of 21333122323233 in words is "twenty-one trillion, three hundred thirty-three billion, one hundred twenty-two million, three hundred twenty-three thousand, two hundred thirty-three".