21341224201043 has 2 divisors, whose sum is σ = 21341224201044. Its totient is φ = 21341224201042.

The previous prime is 21341224200983. The next prime is 21341224201097. The reversal of 21341224201043 is 34010242214312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21341224201043 - 2⁸ = 21341224200787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21341224200997 and 21341224201015.

It is not a weakly prime, because it can be changed into another prime (21341224201243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10670612100521 + 10670612100522.

It is an arithmetic number, because the mean of its divisors is an integer number (10670612100522).

Almost surely, 2^{21341224201043} is an apocalyptic number.

21341224201043 is a deficient number, since it is larger than the sum of its proper divisors (1).

21341224201043 is an equidigital number, since it uses as much as digits as its factorization.

21341224201043 is an evil number, because the sum of its binary digits is even.

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

Adding to 21341224201043 its reverse (34010242214312), we get a palindrome (55351466415355).

The spelling of 21341224201043 in words is "twenty-one trillion, three hundred forty-one billion, two hundred twenty-four million, two hundred one thousand, forty-three".