211321140211133 has 2 divisors, whose sum is σ = 211321140211134. Its totient is φ = 211321140211132.

The previous prime is 211321140211099. The next prime is 211321140211201. The reversal of 211321140211133 is 331112041123112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188411256784804 + 22909883426329 = 13726298^2 + 4786427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211321140211133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211321140211033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105660570105566 + 105660570105567.

It is an arithmetic number, because the mean of its divisors is an integer number (105660570105567).

Almost surely, 2^{211321140211133} is an apocalyptic number.

It is an amenable number.

211321140211133 is a deficient number, since it is larger than the sum of its proper divisors (1).

211321140211133 is an equidigital number, since it uses as much as digits as its factorization.

211321140211133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 211321140211133 its reverse (331112041123112), we get a palindrome (542433181334245).

The spelling of 211321140211133 in words is "two hundred eleven trillion, three hundred twenty-one billion, one hundred forty million, two hundred eleven thousand, one hundred thirty-three".