2021002010200 has 96 divisors (see below), whose sum is σ = 4789774684800. Its totient is φ = 792768936960.

The previous prime is 2021002010189. The next prime is 2021002010221. The reversal of 2021002010200 is 20102001202.

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 23 ways as a sum of consecutive naturals, for example, 22671316 + ... + 22760284.

It is an arithmetic number, because the mean of its divisors is an integer number (49893486300).

Almost surely, 2^{2021002010200} is an apocalyptic number.

2021002010200 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 2021002010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2394887342400).

2021002010200 is an abundant number, since it is smaller than the sum of its proper divisors (2768772674600).

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

2021002010200 is a wasteful number, since it uses less digits than its factorization.

2021002010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91181 (or 91172 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2021002010200 its reverse (20102001202), we get a palindrome (2041104011402).

The spelling of 2021002010200 in words is "two trillion, twenty-one billion, two million, ten thousand, two hundred".