2102103124 has 48 divisors (see below), whose sum is σ = 4193441280. Its totient is φ = 912681440.

The previous prime is 2102103121. The next prime is 2102103137. The reversal of 2102103124 is 4213012012.

It is a junction number, because it is equal to n+sod(n) for n = 2102103098 and 2102103107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102103121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297587 + ... + 1299205.

It is an arithmetic number, because the mean of its divisors is an integer number (87363360).

Almost surely, 2^2102103124 is an apocalyptic number.

It is an amenable number.

2102103124 is a deficient number, since it is larger than the sum of its proper divisors (2091338156).

2102103124 is a wasteful number, since it uses less digits than its factorization.

2102103124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2102103124 is about 45848.6981712676. The cubic root of 2102103124 is about 1281.0065170829.

Adding to 2102103124 its reverse (4213012012), we get a palindrome (6315115136).

The spelling of 2102103124 in words is "two billion, one hundred two million, one hundred three thousand, one hundred twenty-four".