21362122126307 has 2 divisors, whose sum is σ = 21362122126308. Its totient is φ = 21362122126306.

The previous prime is 21362122126271. The next prime is 21362122126337. The reversal of 21362122126307 is 70362122126312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21362122126307 - 2⁶ = 21362122126243 is a prime.

It is a super-2 number, since 2×21362122126307² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21362122126337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10681061063153 + 10681061063154.

It is an arithmetic number, because the mean of its divisors is an integer number (10681061063154).

Almost surely, 2^{21362122126307} is an apocalyptic number.

21362122126307 is a deficient number, since it is larger than the sum of its proper divisors (1).

21362122126307 is an equidigital number, since it uses as much as digits as its factorization.

21362122126307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 21362122126307 in words is "twenty-one trillion, three hundred sixty-two billion, one hundred twenty-two million, one hundred twenty-six thousand, three hundred seven".