212110103 has 4 divisors (see below), whose sum is σ = 212207160. Its totient is φ = 212013048.

The previous prime is 212110079. The next prime is 212110109. The reversal of 212110103 is 301011212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212110103 - 2⁸ = 212109847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45173 + ... + 49646.

It is an arithmetic number, because the mean of its divisors is an integer number (53051790).

Almost surely, 2^212110103 is an apocalyptic number.

212110103 is a deficient number, since it is larger than the sum of its proper divisors (97057).

212110103 is an equidigital number, since it uses as much as digits as its factorization.

212110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97056.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 212110103 is about 14564.0002403186. Note that the first 3 decimals coincide. The cubic root of 212110103 is about 596.3764034874.

Adding to 212110103 its reverse (301011212), we get a palindrome (513121315).

The spelling of 212110103 in words is "two hundred twelve million, one hundred ten thousand, one hundred three".