2001021110200 has 192 divisors, whose sum is σ = 5373154221120. Its totient is φ = 678827520000.

The previous prime is 2001021110147. The next prime is 2001021110237. The reversal of 2001021110200 is 20111201002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 273322540 + ... + 273329860.

It is an arithmetic number, because the mean of its divisors is an integer number (27985178235).

Almost surely, 2^{2001021110200} is an apocalyptic number.

2001021110200 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 2001021110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2686577110560).

2001021110200 is an abundant number, since it is smaller than the sum of its proper divisors (3372133110920).

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

2001021110200 is a wasteful number, since it uses less digits than its factorization.

2001021110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378 (or 9369 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2001021110200 its reverse (20111201002), we get a palindrome (2021132311202).

The spelling of 2001021110200 in words is "two trillion, one billion, twenty-one million, one hundred ten thousand, two hundred".