212110113 has 16 divisors (see below), whose sum is σ = 285693120. Its totient is φ = 139973376.

The previous prime is 212110111. The next prime is 212110121. The reversal of 212110113 is 311011212.

It is not a de Polignac number, because 212110113 - 2¹ = 212110111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212110111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233406 + ... + 234312.

It is an arithmetic number, because the mean of its divisors is an integer number (17855820).

Almost surely, 2^212110113 is an apocalyptic number.

It is an amenable number.

212110113 is a deficient number, since it is larger than the sum of its proper divisors (73583007).

212110113 is a wasteful number, since it uses less digits than its factorization.

212110113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

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

The square root of 212110113 is about 14564.0005836309. Note that the first 3 decimals coincide. The cubic root of 212110113 is about 596.3764128595.

Adding to 212110113 its reverse (311011212), we get a palindrome (523121325).

The spelling of 212110113 in words is "two hundred twelve million, one hundred ten thousand, one hundred thirteen".