200011121121200 has 30 divisors (see below), whose sum is σ = 480526718494644. Its totient is φ = 80004448448320.

The previous prime is 200011121121157. The next prime is 200011121121277. The reversal of 200011121121200 is 2121121110002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250013901002 + ... + 250013901801.

Almost surely, 2^{200011121121200} is an apocalyptic number.

200011121121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200011121121200 is an abundant number, since it is smaller than the sum of its proper divisors (280515597373444).

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

200011121121200 is a wasteful number, since it uses less digits than its factorization.

200011121121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500027802821 (or 500027802810 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200011121121200 its reverse (2121121110002), we get a palindrome (202132242231202).

The spelling of 200011121121200 in words is "two hundred trillion, eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred".