2021210220200 has 24 divisors (see below), whose sum is σ = 4699313762430. Its totient is φ = 808484088000.

The previous prime is 2021210220193. The next prime is 2021210220257. The reversal of 2021210220200 is 20220121202.

It can be written as a sum of positive squares in 3 ways, for example, as 1645580971204 + 375629248996 = 1282802^2 + 612886^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5053025351 + ... + 5053025750.

Almost surely, 2^{2021210220200} is an apocalyptic number.

2021210220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021210220200 is an abundant number, since it is smaller than the sum of its proper divisors (2678103542230).

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

2021210220200 is a wasteful number, since it uses less digits than its factorization.

2021210220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106051117 (or 10106051108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2021210220200 its reverse (20220121202), we get a palindrome (2041430341402).

The spelling of 2021210220200 in words is "two trillion, twenty-one billion, two hundred ten million, two hundred twenty thousand, two hundred".