2121200300 has 36 divisors (see below), whose sum is σ = 4803140496. Its totient is φ = 811588800.

The previous prime is 2121200293. The next prime is 2121200317. The reversal of 2121200300 is 30021212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458831 + ... + 463430.

Almost surely, 2^2121200300 is an apocalyptic number.

2121200300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121200300 is an abundant number, since it is smaller than the sum of its proper divisors (2681940196).

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

2121200300 is a wasteful number, since it uses less digits than its factorization.

2121200300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922298 (or 922291 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2121200300 is about 46056.4903135269. The cubic root of 2121200300 is about 1284.8740558988.

Adding to 2121200300 its reverse (30021212), we get a palindrome (2151221512).

The spelling of 2121200300 in words is "two billion, one hundred twenty-one million, two hundred thousand, three hundred".