2111210011 has 2 divisors, whose sum is σ = 2111210012. Its totient is φ = 2111210010.

The previous prime is 2111210009. The next prime is 2111210021. The reversal of 2111210011 is 1100121112.

It is an a-pointer prime, because the next prime (2111210021) can be obtained adding 2111210011 to its sum of digits (10).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111210011 - 2¹ = 2111210009 is a prime.

Together with 2111210009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2111210011.

It is not a weakly prime, because it can be changed into another prime (2111210021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055605005 + 1055605006.

It is an arithmetic number, because the mean of its divisors is an integer number (1055605006).

Almost surely, 2^2111210011 is an apocalyptic number.

2111210011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111210011 is an equidigital number, since it uses as much as digits as its factorization.

2111210011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 2111210011 is about 45947.9054038375. The cubic root of 2111210011 is about 1282.8537425514.

Adding to 2111210011 its reverse (1100121112), we get a palindrome (3211331123).

The spelling of 2111210011 in words is "two billion, one hundred eleven million, two hundred ten thousand, eleven".