211111111006 has 32 divisors (see below), whose sum is σ = 321741720000. Its totient is φ = 103880854272.

The previous prime is 211111110923. The next prime is 211111111027. The reversal of 211111111006 is 600111111112.

211111111006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×211111111006³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16789890 + ... + 16802458.

It is an arithmetic number, because the mean of its divisors is an integer number (10054428750).

Almost surely, 2^211111111006 is an apocalyptic number.

211111111006 is a deficient number, since it is larger than the sum of its proper divisors (110630608994).

211111111006 is a wasteful number, since it uses less digits than its factorization.

211111111006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13236.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 211111111006 its reverse (600111111112), we get a palindrome (811222222118).

The spelling of 211111111006 in words is "two hundred eleven billion, one hundred eleven million, one hundred eleven thousand, six".