211000000011 has 16 divisors (see below), whose sum is σ = 291797714208. Its totient is φ = 135509760000.

The previous prime is 211000000009. The next prime is 211000000027. The reversal of 211000000011 is 110000000112.

It is not a de Polignac number, because 211000000011 - 2¹ = 211000000009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211000000711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9399190 + ... + 9421611.

It is an arithmetic number, because the mean of its divisors is an integer number (18237357138).

Almost surely, 2^211000000011 is an apocalyptic number.

211000000011 is a deficient number, since it is larger than the sum of its proper divisors (80797714197).

211000000011 is a wasteful number, since it uses less digits than its factorization.

211000000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18820942.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 211000000011 its reverse (110000000112), we get a palindrome (321000000123).

It can be divided in two parts, 2 and 11000000011, that multiplied together give a palindrome (22000000022).

The spelling of 211000000011 in words is "two hundred eleven billion, eleven", and thus it is an aban number.