200121111012200 has 48 divisors (see below), whose sum is σ = 531750380693280. Its totient is φ = 68612952346560.

The previous prime is 200121111012157. The next prime is 200121111012269. The reversal of 200121111012200 is 2210111121002.

200121111012200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×200121111012200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 71471823962 + ... + 71471826761.

It is an arithmetic number, because the mean of its divisors is an integer number (11078132931110).

Almost surely, 2^{200121111012200} is an apocalyptic number.

200121111012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200121111012200 is an abundant number, since it is smaller than the sum of its proper divisors (331629269681080).

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

200121111012200 is a wasteful number, since it uses less digits than its factorization.

200121111012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142943650746 (or 142943650737 counting only the distinct ones).

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

Adding to 200121111012200 its reverse (2210111121002), we get a palindrome (202331222133202).

The spelling of 200121111012200 in words is "two hundred trillion, one hundred twenty-one billion, one hundred eleven million, twelve thousand, two hundred".