21302332300097 has 2 divisors, whose sum is σ = 21302332300098. Its totient is φ = 21302332300096.

The previous prime is 21302332300063. The next prime is 21302332300141. The reversal of 21302332300097 is 79000323320312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15278959786561 + 6023372513536 = 3908831^2 + 2454256^2 .

It is a cyclic number.

It is not a de Polignac number, because 21302332300097 - 2¹⁸ = 21302332037953 is a prime.

It is a super-2 number, since 2×21302332300097² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21302332300057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651166150048 + 10651166150049.

It is an arithmetic number, because the mean of its divisors is an integer number (10651166150049).

Almost surely, 2^{21302332300097} is an apocalyptic number.

It is an amenable number.

21302332300097 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302332300097 is an equidigital number, since it uses as much as digits as its factorization.

21302332300097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 35.

The spelling of 21302332300097 in words is "twenty-one trillion, three hundred two billion, three hundred thirty-two million, three hundred thousand, ninety-seven".