21412198132841 has 2 divisors, whose sum is σ = 21412198132842. Its totient is φ = 21412198132840.

The previous prime is 21412198132823. The next prime is 21412198132867. The reversal of 21412198132841 is 14823189121412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18327945643225 + 3084252489616 = 4281115^2 + 1756204^2 .

It is a cyclic number.

It is not a de Polignac number, because 21412198132841 - 2⁶ = 21412198132777 is a prime.

It is not a weakly prime, because it can be changed into another prime (21412198132541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10706099066420 + 10706099066421.

It is an arithmetic number, because the mean of its divisors is an integer number (10706099066421).

Almost surely, 2^{21412198132841} is an apocalyptic number.

It is an amenable number.

21412198132841 is a deficient number, since it is larger than the sum of its proper divisors (1).

21412198132841 is an equidigital number, since it uses as much as digits as its factorization.

21412198132841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 47.

The spelling of 21412198132841 in words is "twenty-one trillion, four hundred twelve billion, one hundred ninety-eight million, one hundred thirty-two thousand, eight hundred forty-one".