21322301311 has 2 divisors, whose sum is σ = 21322301312. Its totient is φ = 21322301310.

The previous prime is 21322301269. The next prime is 21322301327. The reversal of 21322301311 is 11310322312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21322301311 - 2⁷ = 21322301183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21322302311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661150655 + 10661150656.

It is an arithmetic number, because the mean of its divisors is an integer number (10661150656).

Almost surely, 2^21322301311 is an apocalyptic number.

21322301311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322301311 is an equidigital number, since it uses as much as digits as its factorization.

21322301311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21322301311 its reverse (11310322312), we get a palindrome (32632623623).

The spelling of 21322301311 in words is "twenty-one billion, three hundred twenty-two million, three hundred one thousand, three hundred eleven".