211420316011 has 2 divisors, whose sum is σ = 211420316012. Its totient is φ = 211420316010.

The previous prime is 211420315987. The next prime is 211420316017. The reversal of 211420316011 is 110613024112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211420316011 - 2¹¹ = 211420313963 is a prime.

It is a super-2 number, since 2×211420316011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211420316017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105710158005 + 105710158006.

It is an arithmetic number, because the mean of its divisors is an integer number (105710158006).

Almost surely, 2^211420316011 is an apocalyptic number.

211420316011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211420316011 is an equidigital number, since it uses as much as digits as its factorization.

211420316011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 211420316011 in words is "two hundred eleven billion, four hundred twenty million, three hundred sixteen thousand, eleven".