21301332201169 has 2 divisors, whose sum is σ = 21301332201170. Its totient is φ = 21301332201168.

The previous prime is 21301332201137. The next prime is 21301332201211. The reversal of 21301332201169 is 96110223310312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19221209640000 + 2080122561169 = 4384200^2 + 1442263^2 .

It is a cyclic number.

It is not a de Polignac number, because 21301332201169 - 2⁵ = 21301332201137 is a prime.

It is a super-2 number, since 2×21301332201169² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21301332201769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10650666100584 + 10650666100585.

It is an arithmetic number, because the mean of its divisors is an integer number (10650666100585).

Almost surely, 2^{21301332201169} is an apocalyptic number.

It is an amenable number.

21301332201169 is a deficient number, since it is larger than the sum of its proper divisors (1).

21301332201169 is an equidigital number, since it uses as much as digits as its factorization.

21301332201169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 21301332201169 in words is "twenty-one trillion, three hundred one billion, three hundred thirty-two million, two hundred one thousand, one hundred sixty-nine".