2103124444100 has 72 divisors (see below), whose sum is σ = 4614090825120. Its totient is φ = 831988177920.

The previous prime is 2103124444087. The next prime is 2103124444219. The reversal of 2103124444100 is 14444213012.

It is a self number, because there is not a number n which added to its sum of digits gives 2103124444100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13765931 + ... + 13917869.

Almost surely, 2^{2103124444100} is an apocalyptic number.

2103124444100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103124444100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307045412560).

2103124444100 is an abundant number, since it is smaller than the sum of its proper divisors (2510966381020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103124444100 is a wasteful number, since it uses less digits than its factorization.

2103124444100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153477 (or 153470 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 2103124444100 its reverse (14444213012), we get a palindrome (2117568657112).

The spelling of 2103124444100 in words is "two trillion, one hundred three billion, one hundred twenty-four million, four hundred forty-four thousand, one hundred".