211320211303 has 2 divisors, whose sum is σ = 211320211304. Its totient is φ = 211320211302.

The previous prime is 211320211283. The next prime is 211320211309. The reversal of 211320211303 is 303112023112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211320211303 - 2⁹ = 211320210791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211320211309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105660105651 + 105660105652.

It is an arithmetic number, because the mean of its divisors is an integer number (105660105652).

Almost surely, 2^211320211303 is an apocalyptic number.

211320211303 is a deficient number, since it is larger than the sum of its proper divisors (1).

211320211303 is an equidigital number, since it uses as much as digits as its factorization.

211320211303 is an evil number, because the sum of its binary digits is even.

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

Adding to 211320211303 its reverse (303112023112), we get a palindrome (514432234415).

The spelling of 211320211303 in words is "two hundred eleven billion, three hundred twenty million, two hundred eleven thousand, three hundred three".