2121303310200 has 144 divisors (see below), whose sum is σ = 7124821009800. Its totient is φ = 565619155200.

The previous prime is 2121303310199. The next prime is 2121303310211. The reversal of 2121303310200 is 20133031212.

2121303310200 is a `hidden beast` number, since 2 + 1 + 2 + 130 + 331 + 0 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17816466 + ... + 17935134.

Almost surely, 2^{2121303310200} is an apocalyptic number.

2121303310200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121303310200 is an abundant number, since it is smaller than the sum of its proper divisors (5003517699600).

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

2121303310200 is a wasteful number, since it uses less digits than its factorization.

2121303310200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128622 (or 128610 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2121303310200 its reverse (20133031212), we get a palindrome (2141436341412).

The spelling of 2121303310200 in words is "two trillion, one hundred twenty-one billion, three hundred three million, three hundred ten thousand, two hundred".