21114403143233 has 2 divisors, whose sum is σ = 21114403143234. Its totient is φ = 21114403143232.

The previous prime is 21114403143227. The next prime is 21114403143257. The reversal of 21114403143233 is 33234130441112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17361322222864 + 3753080920369 = 4166692^2 + 1937287^2 .

It is a cyclic number.

It is not a de Polignac number, because 21114403143233 - 2⁴ = 21114403143217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21114403143233.

It is not a weakly prime, because it can be changed into another prime (21114403143833) 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 as a sum of consecutive naturals, namely, 10557201571616 + 10557201571617.

It is an arithmetic number, because the mean of its divisors is an integer number (10557201571617).

Almost surely, 2^{21114403143233} is an apocalyptic number.

It is an amenable number.

21114403143233 is a deficient number, since it is larger than the sum of its proper divisors (1).

21114403143233 is an equidigital number, since it uses as much as digits as its factorization.

21114403143233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 21114403143233 its reverse (33234130441112), we get a palindrome (54348533584345).

The spelling of 21114403143233 in words is "twenty-one trillion, one hundred fourteen billion, four hundred three million, one hundred forty-three thousand, two hundred thirty-three".