2112421103 has 8 divisors (see below), whose sum is σ = 2353360800. Its totient is φ = 1882687968.

The previous prime is 2112421097. The next prime is 2112421109. The reversal of 2112421103 is 3011242112.

It is an interprime number because it is at equal distance from previous prime (2112421097) and next prime (2112421109).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112421103 - 2⁸ = 2112420847 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 (2112421109) 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 in 7 ways as a sum of consecutive naturals, for example, 2801243 + ... + 2801996.

It is an arithmetic number, because the mean of its divisors is an integer number (294170100).

Almost surely, 2^2112421103 is an apocalyptic number.

2112421103 is a deficient number, since it is larger than the sum of its proper divisors (240939697).

2112421103 is a wasteful number, since it uses less digits than its factorization.

2112421103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5603281.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2112421103 is about 45961.0824829007. The cubic root of 2112421103 is about 1283.0989979433.

Adding to 2112421103 its reverse (3011242112), we get a palindrome (5123663215).

The spelling of 2112421103 in words is "two billion, one hundred twelve million, four hundred twenty-one thousand, one hundred three".