212110011 has 12 divisors (see below), whose sum is σ = 314662192. Its totient is φ = 137584656.

The previous prime is 212110001. The next prime is 212110079. The reversal of 212110011 is 110011212.

It is a happy number.

212110011 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 212110011 - 2⁷ = 212109883 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212109975 and 212110002.

It is not an unprimeable number, because it can be changed into a prime (212110001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318151 + ... + 318816.

Almost surely, 2^212110011 is an apocalyptic number.

212110011 is a deficient number, since it is larger than the sum of its proper divisors (102552181).

212110011 is a wasteful number, since it uses less digits than its factorization.

212110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637010 (or 637007 counting only the distinct ones).

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

The square root of 212110011 is about 14563.9970818454. The cubic root of 212110011 is about 596.3763172639.

Adding to 212110011 its reverse (110011212), we get a palindrome (322121223).

It can be divided in two parts, 212 and 110011, that multiplied together give a palindrome (23322332).

The spelling of 212110011 in words is "two hundred twelve million, one hundred ten thousand, eleven".