2102120103300 has 144 divisors (see below), whose sum is σ = 7064961896832. Its totient is φ = 472607769600.

The previous prime is 2102120103299. The next prime is 2102120103311. The reversal of 2102120103300 is 33010212012.

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 2102120103300.

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, 8076897 + ... + 8333096.

Almost surely, 2^{2102120103300} is an apocalyptic number.

2102120103300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102120103300 is an abundant number, since it is smaller than the sum of its proper divisors (4962841793532).

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

2102120103300 is a wasteful number, since it uses less digits than its factorization.

2102120103300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16410078 (or 16410071 counting only the distinct ones).

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

Adding to 2102120103300 its reverse (33010212012), we get a palindrome (2135130315312).

The spelling of 2102120103300 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred three thousand, three hundred".