2121133033200 has 120 divisors (see below), whose sum is σ = 6795601915248. Its totient is φ = 565560074240.

The previous prime is 2121133033193. The next prime is 2121133033231. The reversal of 2121133033200 is 23303311212.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9194464 + ... + 9422336.

Almost surely, 2^{2121133033200} is an apocalyptic number.

2121133033200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121133033200 is an abundant number, since it is smaller than the sum of its proper divisors (4674468882048).

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

2121133033200 is a wasteful number, since it uses less digits than its factorization.

2121133033200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235651 (or 235640 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2121133033200 its reverse (23303311212), we get a palindrome (2144436344412).

The spelling of 2121133033200 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-three million, thirty-three thousand, two hundred".