21303341212079 has 2 divisors, whose sum is σ = 21303341212080. Its totient is φ = 21303341212078.

The previous prime is 21303341212019. The next prime is 21303341212151. The reversal of 21303341212079 is 97021214330312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21303341212079 - 2¹² = 21303341207983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21303341212019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651670606039 + 10651670606040.

It is an arithmetic number, because the mean of its divisors is an integer number (10651670606040).

Almost surely, 2^{21303341212079} is an apocalyptic number.

21303341212079 is a deficient number, since it is larger than the sum of its proper divisors (1).

21303341212079 is an equidigital number, since it uses as much as digits as its factorization.

21303341212079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 21303341212079 in words is "twenty-one trillion, three hundred three billion, three hundred forty-one million, two hundred twelve thousand, seventy-nine".