2112120103 has 8 divisors (see below), whose sum is σ = 2237196672. Its totient is φ = 1987136256.

The previous prime is 2112120097. The next prime is 2112120133. The reversal of 2112120103 is 3010212112.

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

It is a de Polignac number, because none of the positive numbers 2^k-2112120103 is a prime.

It is a super-2 number, since 2×2112120103² = 8922102658993461218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112120133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26826 + ... + 70312.

It is an arithmetic number, because the mean of its divisors is an integer number (279649584).

Almost surely, 2^2112120103 is an apocalyptic number.

2112120103 is a deficient number, since it is larger than the sum of its proper divisors (125076569).

2112120103 is a wasteful number, since it uses less digits than its factorization.

2112120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46361.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2112120103 is about 45957.8078567723. The cubic root of 2112120103 is about 1283.0380518969.

Adding to 2112120103 its reverse (3010212112), we get a palindrome (5122332215).

The spelling of 2112120103 in words is "two billion, one hundred twelve million, one hundred twenty thousand, one hundred three".