211210222110011 has 2 divisors, whose sum is σ = 211210222110012. Its totient is φ = 211210222110010.

The previous prime is 211210222109947. The next prime is 211210222110049. The reversal of 211210222110011 is 110011222012112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211210222110011 - 2⁶ = 211210222109947 is a prime.

It is not a weakly prime, because it can be changed into another prime (211210222110091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605111055005 + 105605111055006.

It is an arithmetic number, because the mean of its divisors is an integer number (105605111055006).

Almost surely, 2^{211210222110011} is an apocalyptic number.

211210222110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210222110011 is an equidigital number, since it uses as much as digits as its factorization.

211210222110011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211210222110011 its reverse (110011222012112), we get a palindrome (321221444122123).

The spelling of 211210222110011 in words is "two hundred eleven trillion, two hundred ten billion, two hundred twenty-two million, one hundred ten thousand, eleven".