21322002367 has 2 divisors, whose sum is σ = 21322002368. Its totient is φ = 21322002366.

The previous prime is 21322002307. The next prime is 21322002391. The reversal of 21322002367 is 76320022312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21322002367 - 2⁷ = 21322002239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21322002307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661001183 + 10661001184.

It is an arithmetic number, because the mean of its divisors is an integer number (10661001184).

Almost surely, 2^21322002367 is an apocalyptic number.

21322002367 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322002367 is an equidigital number, since it uses as much as digits as its factorization.

21322002367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 21322002367 its reverse (76320022312), we get a palindrome (97642024679).

The spelling of 21322002367 in words is "twenty-one billion, three hundred twenty-two million, two thousand, three hundred sixty-seven".