2121333112200 has 96 divisors (see below), whose sum is σ = 6634328724000. Its totient is φ = 560682716160.

The previous prime is 2121333112187. The next prime is 2121333112201. The reversal of 2121333112200 is 22113331212.

It is a super-6 number, since 6×2121333112200⁶ (a number of 75 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2121333112201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15576250 + ... + 15711849.

It is an arithmetic number, because the mean of its divisors is an integer number (69107590875).

Almost surely, 2^{2121333112200} is an apocalyptic number.

2121333112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121333112200 is an abundant number, since it is smaller than the sum of its proper divisors (4512995611800).

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

2121333112200 is a wasteful number, since it uses less digits than its factorization.

2121333112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31288231 (or 31288222 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2121333112200 its reverse (22113331212), we get a palindrome (2143446443412).

The spelling of 2121333112200 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-three million, one hundred twelve thousand, two hundred".