21322035911347 has 2 divisors, whose sum is σ = 21322035911348. Its totient is φ = 21322035911346.

The previous prime is 21322035911321. The next prime is 21322035911389. The reversal of 21322035911347 is 74311953022312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21322035911347 - 2²⁷ = 21321901693619 is a prime.

It is not a weakly prime, because it can be changed into another prime (21322035912347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661017955673 + 10661017955674.

It is an arithmetic number, because the mean of its divisors is an integer number (10661017955674).

Almost surely, 2^{21322035911347} is an apocalyptic number.

21322035911347 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322035911347 is an equidigital number, since it uses as much as digits as its factorization.

21322035911347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

Adding to 21322035911347 its reverse (74311953022312), we get a palindrome (95633988933659).

The spelling of 21322035911347 in words is "twenty-one trillion, three hundred twenty-two billion, thirty-five million, nine hundred eleven thousand, three hundred forty-seven".