21331114367 has 2 divisors, whose sum is σ = 21331114368. Its totient is φ = 21331114366.

The previous prime is 21331114333. The next prime is 21331114381. The reversal of 21331114367 is 76341113312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21331114367 - 2⁶ = 21331114303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21331114307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10665557183 + 10665557184.

It is an arithmetic number, because the mean of its divisors is an integer number (10665557184).

Almost surely, 2^21331114367 is an apocalyptic number.

21331114367 is a deficient number, since it is larger than the sum of its proper divisors (1).

21331114367 is an equidigital number, since it uses as much as digits as its factorization.

21331114367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

Adding to 21331114367 its reverse (76341113312), we get a palindrome (97672227679).

The spelling of 21331114367 in words is "twenty-one billion, three hundred thirty-one million, one hundred fourteen thousand, three hundred sixty-seven".