210011111111311 has 2 divisors, whose sum is σ = 210011111111312. Its totient is φ = 210011111111310.

The previous prime is 210011111111273. The next prime is 210011111111317. The reversal of 210011111111311 is 113111111110012.

210011111111311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210011111111311 - 2¹¹ = 210011111109263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210011111111317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005555555655 + 105005555555656.

It is an arithmetic number, because the mean of its divisors is an integer number (105005555555656).

Almost surely, 2^{210011111111311} is an apocalyptic number.

210011111111311 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011111111311 is an equidigital number, since it uses as much as digits as its factorization.

210011111111311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 16.

Adding to 210011111111311 its reverse (113111111110012), we get a palindrome (323122222221323).

The spelling of 210011111111311 in words is "two hundred ten trillion, eleven billion, one hundred eleven million, one hundred eleven thousand, three hundred eleven".