21222013320033 has 8 divisors (see below), whose sum is σ = 28829904887808. Its totient is φ = 13881065316144.

The previous prime is 21222013320031. The next prime is 21222013320041. The reversal of 21222013320033 is 33002331022212.

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

It is not a de Polignac number, because 21222013320033 - 2¹ = 21222013320031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21222013319985 and 21222013320012.

It is not an unprimeable number, because it can be changed into a prime (21222013320031) 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, 66735890785 + ... + 66735891102.

It is an arithmetic number, because the mean of its divisors is an integer number (3603738110976).

Almost surely, 2^{21222013320033} is an apocalyptic number.

It is an amenable number.

21222013320033 is a deficient number, since it is larger than the sum of its proper divisors (7607891567775).

21222013320033 is a wasteful number, since it uses less digits than its factorization.

21222013320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133471781943.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21222013320033 its reverse (33002331022212), we get a palindrome (54224344342245).

The spelling of 21222013320033 in words is "twenty-one trillion, two hundred twenty-two billion, thirteen million, three hundred twenty thousand, thirty-three".