2021100210200 has 24 divisors (see below), whose sum is σ = 4699057989180. Its totient is φ = 808440084000.

The previous prime is 2021100210113. The next prime is 2021100210221. The reversal of 2021100210200 is 20120011202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5052750326 + ... + 5052750725.

Almost surely, 2^{2021100210200} is an apocalyptic number.

2021100210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021100210200 is an abundant number, since it is smaller than the sum of its proper divisors (2677957778980).

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

2021100210200 is a wasteful number, since it uses less digits than its factorization.

2021100210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105501067 (or 10105501058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021100210200 its reverse (20120011202), we get a palindrome (2041220221402).

The spelling of 2021100210200 in words is "two trillion, twenty-one billion, one hundred million, two hundred ten thousand, two hundred".