21322302311 has 2 divisors, whose sum is σ = 21322302312. Its totient is φ = 21322302310.

The previous prime is 21322302301. The next prime is 21322302361. The reversal of 21322302311 is 11320322312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21322302311 - 2⁶ = 21322302247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21322302301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661151155 + 10661151156.

It is an arithmetic number, because the mean of its divisors is an integer number (10661151156).

Almost surely, 2^21322302311 is an apocalyptic number.

21322302311 is a deficient number, since it is larger than the sum of its proper divisors (1).

21322302311 is an equidigital number, since it uses as much as digits as its factorization.

21322302311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21322302311 its reverse (11320322312), we get a palindrome (32642624623).

The spelling of 21322302311 in words is "twenty-one billion, three hundred twenty-two million, three hundred two thousand, three hundred eleven".