210112210111 has 2 divisors, whose sum is σ = 210112210112. Its totient is φ = 210112210110.

The previous prime is 210112210103. The next prime is 210112210153. The reversal of 210112210111 is 111012211012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210112210111 - 2³ = 210112210103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210112210091 and 210112210100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210112210181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105056105055 + 105056105056.

It is an arithmetic number, because the mean of its divisors is an integer number (105056105056).

Almost surely, 2^210112210111 is an apocalyptic number.

210112210111 is a deficient number, since it is larger than the sum of its proper divisors (1).

210112210111 is an equidigital number, since it uses as much as digits as its factorization.

210112210111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 210112210111 its reverse (111012211012), we get a palindrome (321124421123).

Subtracting from 210112210111 its reverse (111012211012), we obtain a palindrome (99099999099).

The spelling of 210112210111 in words is "two hundred ten billion, one hundred twelve million, two hundred ten thousand, one hundred eleven".