211000011 has 16 divisors (see below), whose sum is σ = 295663104. Its totient is φ = 133678944.

The previous prime is 211000007. The next prime is 211000021. The reversal of 211000011 is 110000112.

211000011 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 211000011 - 2² = 211000007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211000021) 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, 17331 + ... + 26876.

It is an arithmetic number, because the mean of its divisors is an integer number (18478944).

Almost surely, 2^211000011 is an apocalyptic number.

211000011 is a deficient number, since it is larger than the sum of its proper divisors (84663093).

211000011 is a wasteful number, since it uses less digits than its factorization.

211000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44290.

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

The square root of 211000011 is about 14525.8394249696. The cubic root of 211000011 is about 595.3341916594.

Adding to 211000011 its reverse (110000112), we get a palindrome (321000123).

It can be divided in two parts, 2 and 11000011, that multiplied together give a palindrome (22000022).

The spelling of 211000011 in words is "two hundred eleven million, eleven", and thus it is an aban number.