211232011313321 has 2 divisors, whose sum is σ = 211232011313322. Its totient is φ = 211232011313320.

The previous prime is 211232011313251. The next prime is 211232011313347. The reversal of 211232011313321 is 123313110232112.

It is an a-pointer prime, because the next prime (211232011313347) can be obtained adding 211232011313321 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159879308746921 + 51352702566400 = 12644339^2 + 7166080^2 .

It is a cyclic number.

It is not a de Polignac number, because 211232011313321 - 2¹⁴ = 211232011296937 is a prime.

It is not a weakly prime, because it can be changed into another prime (211232011313221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105616005656660 + 105616005656661.

It is an arithmetic number, because the mean of its divisors is an integer number (105616005656661).

Almost surely, 2^{211232011313321} is an apocalyptic number.

It is an amenable number.

211232011313321 is a deficient number, since it is larger than the sum of its proper divisors (1).

211232011313321 is an equidigital number, since it uses as much as digits as its factorization.

211232011313321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 211232011313321 its reverse (123313110232112), we get a palindrome (334545121545433).

The spelling of 211232011313321 in words is "two hundred eleven trillion, two hundred thirty-two billion, eleven million, three hundred thirteen thousand, three hundred twenty-one".