212000010111 has 96 divisors (see below), whose sum is σ = 338937431040. Its totient is φ = 127186682112.

The previous prime is 212000010083. The next prime is 212000010113. The reversal of 212000010111 is 111010000212.

It is a happy number.

It is not a de Polignac number, because 212000010111 - 2⁷ = 212000009983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 212000010093 and 212000010102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000010113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 182286616 + ... + 182287778.

It is an arithmetic number, because the mean of its divisors is an integer number (3530598240).

Almost surely, 2^212000010111 is an apocalyptic number.

212000010111 is a deficient number, since it is larger than the sum of its proper divisors (126937420929).

212000010111 is a wasteful number, since it uses less digits than its factorization.

212000010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 212000010111 its reverse (111010000212), we get a palindrome (323010010323).

The spelling of 212000010111 in words is "two hundred twelve billion, ten thousand, one hundred eleven".