2103021330100 has 72 divisors (see below), whose sum is σ = 4731119688960. Its totient is φ = 810446609280.

The previous prime is 2103021329987. The next prime is 2103021330131. The reversal of 2103021330100 is 10331203012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559569 + ... + 2125831.

It is an arithmetic number, because the mean of its divisors is an integer number (65709995680).

Almost surely, 2^{2103021330100} is an apocalyptic number.

2103021330100 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 2103021330100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365559844480).

2103021330100 is an abundant number, since it is smaller than the sum of its proper divisors (2628098358860).

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

2103021330100 is a wasteful number, since it uses less digits than its factorization.

2103021330100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566769 (or 1566762 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 2103021330100 its reverse (10331203012), we get a palindrome (2113352533112).

The spelling of 2103021330100 in words is "two trillion, one hundred three billion, twenty-one million, three hundred thirty thousand, one hundred".