21223100210233 has 8 divisors (see below), whose sum is σ = 21226098881736. Its totient is φ = 21220101772800.

The previous prime is 21223100210201. The next prime is 21223100210321. The reversal of 21223100210233 is 33201200132212.

It can be written as a sum of positive squares in 4 ways, for example, as 5804692759849 + 15418407450384 = 2409293^2 + 3926628^2 .

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 21223100210233 - 2⁵ = 21223100210201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21223100213233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251020635 + ... + 251105167.

It is an arithmetic number, because the mean of its divisors is an integer number (2653262360217).

Almost surely, 2^{21223100210233} is an apocalyptic number.

It is an amenable number.

21223100210233 is a deficient number, since it is larger than the sum of its proper divisors (2998671503).

21223100210233 is a wasteful number, since it uses less digits than its factorization.

21223100210233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117035.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21223100210233 its reverse (33201200132212), we get a palindrome (54424300342445).

The spelling of 21223100210233 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred million, two hundred ten thousand, two hundred thirty-three".