2112133103 has 4 divisors (see below), whose sum is σ = 2120970720. Its totient is φ = 2103295488.

The previous prime is 2112133073. The next prime is 2112133129. The reversal of 2112133103 is 3013312112.

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 2112133103 - 2¹⁰ = 2112132079 is a prime.

It is a super-2 number, since 2×2112133103² = 8922212489576817218, 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 (2112133183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4418450 + ... + 4418927.

It is an arithmetic number, because the mean of its divisors is an integer number (530242680).

Almost surely, 2^2112133103 is an apocalyptic number.

2112133103 is a deficient number, since it is larger than the sum of its proper divisors (8837617).

2112133103 is an equidigital number, since it uses as much as digits as its factorization.

2112133103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8837616.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2112133103 is about 45957.9492906287. The cubic root of 2112133103 is about 1283.0406842378.

Adding to 2112133103 its reverse (3013312112), we get a palindrome (5125445215).

The spelling of 2112133103 in words is "two billion, one hundred twelve million, one hundred thirty-three thousand, one hundred three".