2123201100300 has 432 divisors, whose sum is σ = 7220905832448. Its totient is φ = 480242649600.

The previous prime is 2123201100281. The next prime is 2123201100301. The reversal of 2123201100300 is 30011023212.

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 2123201100300.

It is not an unprimeable number, because it can be changed into a prime (2123201100301) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 860639667 + ... + 860642133.

Almost surely, 2^{2123201100300} is an apocalyptic number.

2123201100300 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 2123201100300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3610452916224).

2123201100300 is an abundant number, since it is smaller than the sum of its proper divisors (5097704732148).

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

2123201100300 is a wasteful number, since it uses less digits than its factorization.

2123201100300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086 (or 3072 counting only the distinct ones).

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

Adding to 2123201100300 its reverse (30011023212), we get a palindrome (2153212123512).

The spelling of 2123201100300 in words is "two trillion, one hundred twenty-three billion, two hundred one million, one hundred thousand, three hundred".