21232411240441 has 2 divisors, whose sum is σ = 21232411240442. Its totient is φ = 21232411240440.

The previous prime is 21232411240429. The next prime is 21232411240519. The reversal of 21232411240441 is 14404211423212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17090286721600 + 4142124518841 = 4134040^2 + 2035221^2 .

It is a cyclic number.

It is not a de Polignac number, because 21232411240441 - 2⁹ = 21232411239929 is a prime.

It is not a weakly prime, because it can be changed into another prime (21232411240421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10616205620220 + 10616205620221.

It is an arithmetic number, because the mean of its divisors is an integer number (10616205620221).

Almost surely, 2^{21232411240441} is an apocalyptic number.

It is an amenable number.

21232411240441 is a deficient number, since it is larger than the sum of its proper divisors (1).

21232411240441 is an equidigital number, since it uses as much as digits as its factorization.

21232411240441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 21232411240441 its reverse (14404211423212), we get a palindrome (35636622663653).

The spelling of 21232411240441 in words is "twenty-one trillion, two hundred thirty-two billion, four hundred eleven million, two hundred forty thousand, four hundred forty-one".