211111010212 has 12 divisors (see below), whose sum is σ = 371797417180. Its totient is φ = 104883176736.

The previous prime is 211111010207. The next prime is 211111010221. The reversal of 211111010212 is 212010111112.

It is a happy number.

211111010212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62473002916 + 148638007296 = 249946^2 + 385536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211111010192 and 211111010201.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 168081387 + ... + 168082642.

Almost surely, 2^211111010212 is an apocalyptic number.

It is an amenable number.

211111010212 is a deficient number, since it is larger than the sum of its proper divisors (160686406968).

211111010212 is a wasteful number, since it uses less digits than its factorization.

211111010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336164190 (or 336164188 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211111010212 its reverse (212010111112), we get a palindrome (423121121324).

The spelling of 211111010212 in words is "two hundred eleven billion, one hundred eleven million, ten thousand, two hundred twelve".