2112122012103 has 8 divisors (see below), whose sum is σ = 3129069647600. Its totient is φ = 1408081341384.

The previous prime is 2112122012087. The next prime is 2112122012129. The reversal of 2112122012103 is 3012102212112.

2112122012103 is a `hidden beast` number, since 211 + 21 + 220 + 1 + 210 + 3 = 666.

It is not a de Polignac number, because 2112122012103 - 2⁴ = 2112122012087 is a prime.

It is a super-3 number, since 3×2112122012103³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112122012153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39113370568 + ... + 39113370621.

It is an arithmetic number, because the mean of its divisors is an integer number (391133705950).

Almost surely, 2^{2112122012103} is an apocalyptic number.

2112122012103 is a deficient number, since it is larger than the sum of its proper divisors (1016947635497).

2112122012103 is an equidigital number, since it uses as much as digits as its factorization.

2112122012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78226741198 (or 78226741192 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2112122012103 its reverse (3012102212112), we get a palindrome (5124224224215).

The spelling of 2112122012103 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, twelve thousand, one hundred three".