2121332002200 has 72 divisors (see below), whose sum is σ = 7124139980100. Its totient is φ = 565688533440.

The previous prime is 2121332002199. The next prime is 2121332002247. The reversal of 2121332002200 is 22002331212.

2121332002200 is a `hidden beast` number, since 2 + 121 + 3 + 320 + 0 + 220 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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 17 ways as a sum of consecutive naturals, for example, 589257090 + ... + 589260689.

Almost surely, 2^{2121332002200} is an apocalyptic number.

2121332002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2121332002200 is an abundant number, since it is smaller than the sum of its proper divisors (5002807977900).

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

2121332002200 is a wasteful number, since it uses less digits than its factorization.

2121332002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178517801 (or 1178517789 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2121332002200 its reverse (22002331212), we get a palindrome (2143334333412).

The spelling of 2121332002200 in words is "two trillion, one hundred twenty-one billion, three hundred thirty-two million, two thousand, two hundred".