21031303230222 has 8 divisors (see below), whose sum is σ = 42062606460456. Its totient is φ = 7010434410072.

The previous prime is 21031303230221. The next prime is 21031303230257. The reversal of 21031303230222 is 22203230313012.

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

21031303230222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21031303230192 and 21031303230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21031303230221) 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 3 ways as a sum of consecutive naturals, for example, 1752608602513 + ... + 1752608602524.

It is an arithmetic number, because the mean of its divisors is an integer number (5257825807557).

Almost surely, 2^{21031303230222} is an apocalyptic number.

21031303230222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21031303230222 is a wasteful number, since it uses less digits than its factorization.

21031303230222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505217205042.

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

Adding to 21031303230222 its reverse (22203230313012), we get a palindrome (43234533543234).

The spelling of 21031303230222 in words is "twenty-one trillion, thirty-one billion, three hundred three million, two hundred thirty thousand, two hundred twenty-two".