211120002011 has 2 divisors, whose sum is σ = 211120002012. Its totient is φ = 211120002010.

The previous prime is 211120001993. The next prime is 211120002047. The reversal of 211120002011 is 110200021112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211120002011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211120001983 and 211120002001.

It is not a weakly prime, because it can be changed into another prime (211120202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560001005 + 105560001006.

It is an arithmetic number, because the mean of its divisors is an integer number (105560001006).

Almost surely, 2^211120002011 is an apocalyptic number.

211120002011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120002011 is an equidigital number, since it uses as much as digits as its factorization.

211120002011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211120002011 its reverse (110200021112), we get a palindrome (321320023123).

The spelling of 211120002011 in words is "two hundred eleven billion, one hundred twenty million, two thousand, eleven".