21141110167 has 2 divisors, whose sum is σ = 21141110168. Its totient is φ = 21141110166.

The previous prime is 21141110161. The next prime is 21141110297. The reversal of 21141110167 is 76101114112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21141110167 - 2²³ = 21132721559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21141110161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10570555083 + 10570555084.

It is an arithmetic number, because the mean of its divisors is an integer number (10570555084).

Almost surely, 2^21141110167 is an apocalyptic number.

21141110167 is a deficient number, since it is larger than the sum of its proper divisors (1).

21141110167 is an equidigital number, since it uses as much as digits as its factorization.

21141110167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 21141110167 its reverse (76101114112), we get a palindrome (97242224279).

The spelling of 21141110167 in words is "twenty-one billion, one hundred forty-one million, one hundred ten thousand, one hundred sixty-seven".