21222213200333 has 8 divisors (see below), whose sum is σ = 21240136457400. Its totient is φ = 21204295826688.

The previous prime is 21222213200327. The next prime is 21222213200371. The reversal of 21222213200333 is 33300231222212.

It can be written as a sum of positive squares in 4 ways, for example, as 8551162032169 + 12671051168164 = 2924237^2 + 3559642^2 .

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 21222213200333 - 2⁸ = 21222213200077 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 (21222213200303) 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, 5761433 + ... + 8697041.

It is an arithmetic number, because the mean of its divisors is an integer number (2655017057175).

Almost surely, 2^{21222213200333} is an apocalyptic number.

It is an amenable number.

21222213200333 is a deficient number, since it is larger than the sum of its proper divisors (17923257067).

21222213200333 is a wasteful number, since it uses less digits than its factorization.

21222213200333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941711.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21222213200333 its reverse (33300231222212), we get a palindrome (54522444422545).

The spelling of 21222213200333 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred thirteen million, two hundred thousand, three hundred thirty-three".