21230222211233 has 32 divisors (see below), whose sum is σ = 24659584561920. Its totient is φ = 17902775934720.

The previous prime is 21230222211229. The next prime is 21230222211259. The reversal of 21230222211233 is 33211222203212.

It is a cyclic number.

It is not a de Polignac number, because 21230222211233 - 2² = 21230222211229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21230222211533) 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 31 ways as a sum of consecutive naturals, for example, 64439663 + ... + 64768283.

It is an arithmetic number, because the mean of its divisors is an integer number (770612017560).

Almost surely, 2^{21230222211233} is an apocalyptic number.

It is an amenable number.

21230222211233 is a deficient number, since it is larger than the sum of its proper divisors (3429362350687).

21230222211233 is a wasteful number, since it uses less digits than its factorization.

21230222211233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329337.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21230222211233 its reverse (33211222203212), we get a palindrome (54441444414445).

The spelling of 21230222211233 in words is "twenty-one trillion, two hundred thirty billion, two hundred twenty-two million, two hundred eleven thousand, two hundred thirty-three".