4321013224421 has 2 divisors, whose sum is σ = 4321013224422. Its totient is φ = 4321013224420.

The previous prime is 4321013224403. The next prime is 4321013224427. The reversal of 4321013224421 is 1244223101234.

4321013224421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4261788648100 + 59224576321 = 2064410^2 + 243361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4321013224421 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321013224427) 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, 2160506612210 + 2160506612211.

It is an arithmetic number, because the mean of its divisors is an integer number (2160506612211).

Almost surely, 2^{4321013224421} is an apocalyptic number.

It is an amenable number.

4321013224421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321013224421 is an equidigital number, since it uses as much as digits as its factorization.

4321013224421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 4321013224421 its reverse (1244223101234), we get a palindrome (5565236325655).

The spelling of 4321013224421 in words is "four trillion, three hundred twenty-one billion, thirteen million, two hundred twenty-four thousand, four hundred twenty-one".