10221434420443 has 2 divisors, whose sum is σ = 10221434420444. Its totient is φ = 10221434420442.

The previous prime is 10221434420413. The next prime is 10221434420563. The reversal of 10221434420443 is 34402443412201.

It is a weak prime.

It is an emirp because it is prime and its reverse (34402443412201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10221434420443 - 2²⁹ = 10220897549531 is a prime.

It is a super-2 number, since 2×10221434420443² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221434420399 and 10221434420408.

It is not a weakly prime, because it can be changed into another prime (10221434420413) 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, 5110717210221 + 5110717210222.

It is an arithmetic number, because the mean of its divisors is an integer number (5110717210222).

Almost surely, 2^{10221434420443} is an apocalyptic number.

10221434420443 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221434420443 is an equidigital number, since it uses as much as digits as its factorization.

10221434420443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 10221434420443 its reverse (34402443412201), we get a palindrome (44623877832644).

The spelling of 10221434420443 in words is "ten trillion, two hundred twenty-one billion, four hundred thirty-four million, four hundred twenty thousand, four hundred forty-three".