21412204001 has 2 divisors, whose sum is σ = 21412204002. Its totient is φ = 21412204000.

The previous prime is 21412203961. The next prime is 21412204013. The reversal of 21412204001 is 10040221412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15163459600 + 6248744401 = 123140^2 + 79049^2 .

It is a cyclic number.

It is not a de Polignac number, because 21412204001 - 2²² = 21408009697 is a prime.

It is not a weakly prime, because it can be changed into another prime (21412204031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10706102000 + 10706102001.

It is an arithmetic number, because the mean of its divisors is an integer number (10706102001).

Almost surely, 2^21412204001 is an apocalyptic number.

It is an amenable number.

21412204001 is a deficient number, since it is larger than the sum of its proper divisors (1).

21412204001 is an equidigital number, since it uses as much as digits as its factorization.

21412204001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21412204001 its reverse (10040221412), we get a palindrome (31452425413).

The spelling of 21412204001 in words is "twenty-one billion, four hundred twelve million, two hundred four thousand, one".