21322413041 has 2 divisors, whose sum is σ = 21322413042. Its totient is φ = 21322413040.

The previous prime is 21322413017. The next prime is 21322413059. The reversal of 21322413041 is 14031422312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15163459600 + 6158953441 = 123140^2 + 78479^2 .

It is a cyclic number.

It is not a de Polignac number, because 21322413041 - 2²² = 21318218737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21322412998 and 21322413016.

It is not a weakly prime, because it can be changed into another prime (21322413011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661206520 + 10661206521.

It is an arithmetic number, because the mean of its divisors is an integer number (10661206521).

Almost surely, 2^21322413041 is an apocalyptic number.

It is an amenable number.

21322413041 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322413041 is an equidigital number, since it uses as much as digits as its factorization.

21322413041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21322413041 its reverse (14031422312), we get a palindrome (35353835353).

The spelling of 21322413041 in words is "twenty-one billion, three hundred twenty-two million, four hundred thirteen thousand, forty-one".