211010112111 has 16 divisors (see below), whose sum is σ = 290864388608. Its totient is φ = 135964980000.

The previous prime is 211010112007. The next prime is 211010112119. The reversal of 211010112111 is 111211010112.

211010112111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211010112111 - 2²³ = 211001723503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211010112119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6277915 + ... + 6311436.

It is an arithmetic number, because the mean of its divisors is an integer number (18179024288).

Almost surely, 2^211010112111 is an apocalyptic number.

211010112111 is a deficient number, since it is larger than the sum of its proper divisors (79854276497).

211010112111 is a wasteful number, since it uses less digits than its factorization.

211010112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589542.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211010112111 its reverse (111211010112), we get a palindrome (322221122223).

It can be divided in two parts, 211010112 and 111, that multiplied together give a palindrome (23422122432).

The spelling of 211010112111 in words is "two hundred eleven billion, ten million, one hundred twelve thousand, one hundred eleven".