2002201121200 has 120 divisors (see below), whose sum is σ = 5587595193440. Its totient is φ = 675215308800.

The previous prime is 2002201121183. The next prime is 2002201121237. The reversal of 2002201121200 is 21211022002.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5690445 + ... + 6032044.

Almost surely, 2^{2002201121200} is an apocalyptic number.

2002201121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002201121200 is an abundant number, since it is smaller than the sum of its proper divisors (3585394072240).

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

2002201121200 is a wasteful number, since it uses less digits than its factorization.

2002201121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11722575 (or 11722564 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2002201121200 its reverse (21211022002), we get a palindrome (2023412143202).

The spelling of 2002201121200 in words is "two trillion, two billion, two hundred one million, one hundred twenty-one thousand, two hundred".