21043224022333 has 2 divisors, whose sum is σ = 21043224022334. Its totient is φ = 21043224022332.

The previous prime is 21043224022259. The next prime is 21043224022339. The reversal of 21043224022333 is 33322042234012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21021142953924 + 22081068409 = 4584882^2 + 148597^2 .

It is a cyclic number.

It is not a de Polignac number, because 21043224022333 - 2²¹ = 21043221925181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21043224022295 and 21043224022304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21043224022339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10521612011166 + 10521612011167.

It is an arithmetic number, because the mean of its divisors is an integer number (10521612011167).

Almost surely, 2^{21043224022333} is an apocalyptic number.

It is an amenable number.

21043224022333 is a deficient number, since it is larger than the sum of its proper divisors (1).

21043224022333 is an equidigital number, since it uses as much as digits as its factorization.

21043224022333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 21043224022333 its reverse (33322042234012), we get a palindrome (54365266256345).

The spelling of 21043224022333 in words is "twenty-one trillion, forty-three billion, two hundred twenty-four million, twenty-two thousand, three hundred thirty-three".