2123112103 has 8 divisors (see below), whose sum is σ = 2426734080. Its totient is φ = 1819570200.

The previous prime is 2123112091. The next prime is 2123112151. The reversal of 2123112103 is 3012113212.

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

It is not a de Polignac number, because 2123112103 - 2⁹ = 2123111591 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 (2123112163) 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, 56118 + ... + 85996.

It is an arithmetic number, because the mean of its divisors is an integer number (303341760).

Almost surely, 2^2123112103 is an apocalyptic number.

2123112103 is a deficient number, since it is larger than the sum of its proper divisors (303621977).

2123112103 is a wasteful number, since it uses less digits than its factorization.

2123112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40037.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2123112103 is about 46077.2406183356. The cubic root of 2123112103 is about 1285.2599519510.

Adding to 2123112103 its reverse (3012113212), we get a palindrome (5135225315).

The spelling of 2123112103 in words is "two billion, one hundred twenty-three million, one hundred twelve thousand, one hundred three".