2100321012300 has 288 divisors, whose sum is σ = 6978117038592. Its totient is φ = 477793105920.

The previous prime is 2100321012259. The next prime is 2100321012313. The reversal of 2100321012300 is 32101230012.

It is a super-2 number, since 2×2100321012300² (a number of 25 digits) contains 22 as substring.

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 2100321012300.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 576534279 + ... + 576537921.

Almost surely, 2^{2100321012300} is an apocalyptic number.

2100321012300 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 2100321012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3489058519296).

2100321012300 is an abundant number, since it is smaller than the sum of its proper divisors (4877796026292).

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

2100321012300 is a wasteful number, since it uses less digits than its factorization.

2100321012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897 (or 4890 counting only the distinct ones).

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

Adding to 2100321012300 its reverse (32101230012), we get a palindrome (2132422242312).

The spelling of 2100321012300 in words is "two trillion, one hundred billion, three hundred twenty-one million, twelve thousand, three hundred".