2103023210100 has 144 divisors (see below), whose sum is σ = 6096891107328. Its totient is φ = 559688088960.

The previous prime is 2103023210087. The next prime is 2103023210111. The reversal of 2103023210100 is 10123203012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2103023210100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 472906077 + ... + 472910523.

Almost surely, 2^{2103023210100} is an apocalyptic number.

2103023210100 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 2103023210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048445553664).

2103023210100 is an abundant number, since it is smaller than the sum of its proper divisors (3993867897228).

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

2103023210100 is a wasteful number, since it uses less digits than its factorization.

2103023210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254 (or 7247 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2103023210100 its reverse (10123203012), we get a palindrome (2113146413112).

The spelling of 2103023210100 in words is "two trillion, one hundred three billion, twenty-three million, two hundred ten thousand, one hundred".