21223111013333 has 8 divisors (see below), whose sum is σ = 22341064224000. Its totient is φ = 20105252539488.

The previous prime is 21223111013281. The next prime is 21223111013339. The reversal of 21223111013333 is 33331011132212.

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 21223111013333 - 2³² = 21218816046037 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 (21223111013339) 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, 23224133 + ... + 24120666.

It is an arithmetic number, because the mean of its divisors is an integer number (2792633028000).

Almost surely, 2^{21223111013333} is an apocalyptic number.

It is an amenable number.

21223111013333 is a deficient number, since it is larger than the sum of its proper divisors (1117953210667).

21223111013333 is a wasteful number, since it uses less digits than its factorization.

21223111013333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47368411.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21223111013333 its reverse (33331011132212), we get a palindrome (54554122145545).

The spelling of 21223111013333 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred eleven million, thirteen thousand, three hundred thirty-three".