21222203003233 has 16 divisors (see below), whose sum is σ = 21771854438400. Its totient is φ = 20679252527440.

The previous prime is 21222203003201. The next prime is 21222203003249. The reversal of 21222203003233 is 33230030222212.

It is a cyclic number.

It is not a de Polignac number, because 21222203003233 - 2⁵ = 21222203003201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21222203003198 and 21222203003207.

It is not an unprimeable number, because it can be changed into a prime (21222203003633) 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 15 ways as a sum of consecutive naturals, for example, 5079288 + ... + 8260966.

It is an arithmetic number, because the mean of its divisors is an integer number (1360740902400).

Almost surely, 2^{21222203003233} is an apocalyptic number.

It is an amenable number.

21222203003233 is a deficient number, since it is larger than the sum of its proper divisors (549651435167).

21222203003233 is a wasteful number, since it uses less digits than its factorization.

21222203003233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182732.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 21222203003233 its reverse (33230030222212), we get a palindrome (54452233225445).

The spelling of 21222203003233 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred three million, three thousand, two hundred thirty-three".