21302100232067 has 2 divisors, whose sum is σ = 21302100232068. Its totient is φ = 21302100232066.

The previous prime is 21302100231911. The next prime is 21302100232081. The reversal of 21302100232067 is 76023200120312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21302100232067 - 2¹² = 21302100227971 is a prime.

It is not a weakly prime, because it can be changed into another prime (21302100232087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10651050116033 + 10651050116034.

It is an arithmetic number, because the mean of its divisors is an integer number (10651050116034).

Almost surely, 2^{21302100232067} is an apocalyptic number.

21302100232067 is a deficient number, since it is larger than the sum of its proper divisors (1).

21302100232067 is an equidigital number, since it uses as much as digits as its factorization.

21302100232067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 21302100232067 its reverse (76023200120312), we get a palindrome (97325300352379).

The spelling of 21302100232067 in words is "twenty-one trillion, three hundred two billion, one hundred million, two hundred thirty-two thousand, sixty-seven".