21223333410233 has 4 divisors (see below), whose sum is σ = 22340350958160. Its totient is φ = 20106315862308.

The previous prime is 21223333410199. The next prime is 21223333410281. The reversal of 21223333410233 is 33201433332212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21223333410233 - 2²⁰ = 21223332361657 is a prime.

It is a super-2 number, since 2×21223333410233² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21223333410233.

It is not an unprimeable number, because it can be changed into a prime (21223333410283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558508773935 + ... + 558508773972.

It is an arithmetic number, because the mean of its divisors is an integer number (5585087739540).

Almost surely, 2^{21223333410233} is an apocalyptic number.

It is an amenable number.

21223333410233 is a deficient number, since it is larger than the sum of its proper divisors (1117017547927).

21223333410233 is a wasteful number, since it uses less digits than its factorization.

21223333410233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117017547926.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 21223333410233 its reverse (33201433332212), we get a palindrome (54424766742445).

The spelling of 21223333410233 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred thirty-three million, four hundred ten thousand, two hundred thirty-three".