2121332300 has 36 divisors (see below), whose sum is σ = 4617881520. Its totient is φ = 845843520.

The previous prime is 2121332293. The next prime is 2121332309. The reversal of 2121332300 is 32331212.

It is not an unprimeable number, because it can be changed into a prime (2121332309) 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, 1760 + ... + 65159.

Almost surely, 2^2121332300 is an apocalyptic number.

2121332300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121332300 is an abundant number, since it is smaller than the sum of its proper divisors (2496549220).

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

2121332300 is a wasteful number, since it uses less digits than its factorization.

2121332300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67250 (or 67243 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2121332300 is about 46057.9233140184. The cubic root of 2121332300 is about 1284.9007074535.

Adding to 2121332300 its reverse (32331212), we get a palindrome (2153663512).

The spelling of 2121332300 in words is "two billion, one hundred twenty-one million, three hundred thirty-two thousand, three hundred".