2102100112320 has 224 divisors, whose sum is σ = 7195761437760. Its totient is φ = 516849991680.

The previous prime is 2102100112297. The next prime is 2102100112331. The reversal of 2102100112320 is 232110012012.

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 2102100112320.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 10899286 + ... + 11090474.

It is an arithmetic number, because the mean of its divisors is an integer number (32123934990).

Almost surely, 2^{2102100112320} is an apocalyptic number.

2102100112320 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 2102100112320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3597880718880).

2102100112320 is an abundant number, since it is smaller than the sum of its proper divisors (5093661325440).

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

2102100112320 is a wasteful number, since it uses less digits than its factorization.

2102100112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192103 (or 192093 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2102100112320 its reverse (232110012012), we get a palindrome (2334210124332).

The spelling of 2102100112320 in words is "two trillion, one hundred two billion, one hundred million, one hundred twelve thousand, three hundred twenty".