2021200011200 has 42 divisors (see below), whose sum is σ = 4973415281496. Its totient is φ = 808480003840.

The previous prime is 2021200011167. The next prime is 2021200011227. The reversal of 2021200011200 is 21100021202.

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, 631623404 + ... + 631626603.

Almost surely, 2^{2021200011200} is an apocalyptic number.

2021200011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021200011200 is an abundant number, since it is smaller than the sum of its proper divisors (2952215270296).

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

2021200011200 is a wasteful number, since it uses less digits than its factorization.

2021200011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263250029 (or 1263250014 counting only the distinct ones).

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

Adding to 2021200011200 its reverse (21100021202), we get a palindrome (2042300032402).

The spelling of 2021200011200 in words is "two trillion, twenty-one billion, two hundred million, eleven thousand, two hundred".