21130301167 has 2 divisors, whose sum is σ = 21130301168. Its totient is φ = 21130301166.

The previous prime is 21130301111. The next prime is 21130301197. The reversal of 21130301167 is 76110303112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21130301167 - 2¹¹ = 21130299119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21130301107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10565150583 + 10565150584.

It is an arithmetic number, because the mean of its divisors is an integer number (10565150584).

Almost surely, 2^21130301167 is an apocalyptic number.

21130301167 is a deficient number, since it is larger than the sum of its proper divisors (1).

21130301167 is an equidigital number, since it uses as much as digits as its factorization.

21130301167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

Adding to 21130301167 its reverse (76110303112), we get a palindrome (97240604279).

The spelling of 21130301167 in words is "twenty-one billion, one hundred thirty million, three hundred one thousand, one hundred sixty-seven".