2143112103 has 12 divisors (see below), whose sum is σ = 3377025288. Its totient is φ = 1298855760.

The previous prime is 2143112099. The next prime is 2143112117. The reversal of 2143112103 is 3012113412.

2143112103 is a `hidden beast` number, since 21 + 431 + 1 + 210 + 3 = 666.

It is not a de Polignac number, because 2143112103 - 2² = 2143112099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143112143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10823700 + ... + 10823897.

It is an arithmetic number, because the mean of its divisors is an integer number (281418774).

Almost surely, 2^2143112103 is an apocalyptic number.

2143112103 is a deficient number, since it is larger than the sum of its proper divisors (1233913185).

2143112103 is a wasteful number, since it uses less digits than its factorization.

2143112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21647614 (or 21647611 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2143112103 is about 46293.7587910077. The cubic root of 2143112103 is about 1289.2831189039.

Adding to 2143112103 its reverse (3012113412), we get a palindrome (5155225515).

The spelling of 2143112103 in words is "two billion, one hundred forty-three million, one hundred twelve thousand, one hundred three".