21333022322231 has 2 divisors, whose sum is σ = 21333022322232. Its totient is φ = 21333022322230.

The previous prime is 21333022322219. The next prime is 21333022322257. The reversal of 21333022322231 is 13222322033312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21333022322231 is a prime.

It is a super-2 number, since 2×21333022322231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21333022322194 and 21333022322203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21333022322531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666511161115 + 10666511161116.

It is an arithmetic number, because the mean of its divisors is an integer number (10666511161116).

Almost surely, 2^{21333022322231} is an apocalyptic number.

21333022322231 is a deficient number, since it is larger than the sum of its proper divisors (1).

21333022322231 is an equidigital number, since it uses as much as digits as its factorization.

21333022322231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 21333022322231 its reverse (13222322033312), we get a palindrome (34555344355543).

The spelling of 21333022322231 in words is "twenty-one trillion, three hundred thirty-three billion, twenty-two million, three hundred twenty-two thousand, two hundred thirty-one".