2101223230200 has 192 divisors, whose sum is σ = 7246377496800. Its totient is φ = 559642521600.

The previous prime is 2101223230159. The next prime is 2101223230207. The reversal of 2101223230200 is 20323221012.

2101223230200 is a `hidden beast` number, since 2 + 10 + 1 + 223 + 230 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101223230207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4196424 + ... + 4670376.

Almost surely, 2^{2101223230200} is an apocalyptic number.

2101223230200 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 2101223230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3623188748400).

2101223230200 is an abundant number, since it is smaller than the sum of its proper divisors (5145154266600).

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

2101223230200 is a wasteful number, since it uses less digits than its factorization.

2101223230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474799 (or 474784 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2101223230200 its reverse (20323221012), we get a palindrome (2121546451212).

The spelling of 2101223230200 in words is "two trillion, one hundred one billion, two hundred twenty-three million, two hundred thirty thousand, two hundred".