2121211002200 has 48 divisors (see below), whose sum is σ = 4932184041000. Its totient is φ = 848421009920.

The previous prime is 2121211002187. The next prime is 2121211002203. The reversal of 2121211002200 is 22001121212.

It is a super-3 number, since 3×2121211002200³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121211002203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2334416 + ... + 3113184.

Almost surely, 2^{2121211002200} is an apocalyptic number.

2121211002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121211002200 is an abundant number, since it is smaller than the sum of its proper divisors (2810973038800).

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

2121211002200 is a wasteful number, since it uses less digits than its factorization.

2121211002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792404 (or 792395 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2121211002200 its reverse (22001121212), we get a palindrome (2143212123412).

The spelling of 2121211002200 in words is "two trillion, one hundred twenty-one billion, two hundred eleven million, two thousand, two hundred".