21333303122223 has 4 divisors (see below), whose sum is σ = 28444404162968. Its totient is φ = 14222202081480.

The previous prime is 21333303122213. The next prime is 21333303122381. The reversal of 21333303122223 is 32222130333312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 21333303122223 - 2¹³ = 21333303114031 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 (21333303122213) 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, 3555550520368 + ... + 3555550520373.

It is an arithmetic number, because the mean of its divisors is an integer number (7111101040742).

Almost surely, 2^{21333303122223} is an apocalyptic number.

21333303122223 is a deficient number, since it is larger than the sum of its proper divisors (7111101040745).

21333303122223 is an equidigital number, since it uses as much as digits as its factorization.

21333303122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111101040744.

The product of its (nonzero) digits is 23328, while the sum is 30.

Adding to 21333303122223 its reverse (32222130333312), we get a palindrome (53555433455535).

The spelling of 21333303122223 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred three million, one hundred twenty-two thousand, two hundred twenty-three".