200001121110 has 128 divisors (see below), whose sum is σ = 645381872640. Its totient is φ = 43025444352.

The previous prime is 200001121051. The next prime is 200001121123. The reversal of 200001121110 is 11121100002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200001121092 and 200001121101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3080244 + ... + 3144503.

It is an arithmetic number, because the mean of its divisors is an integer number (5042045880).

Almost surely, 2^200001121110 is an apocalyptic number.

200001121110 is an abundant number, since it is smaller than the sum of its proper divisors (445380751530).

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

200001121110 is a wasteful number, since it uses less digits than its factorization.

200001121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6224787 (or 6224781 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 200001121110 its reverse (11121100002), we get a palindrome (211122221112).

The spelling of 200001121110 in words is "two hundred billion, one million, one hundred twenty-one thousand, one hundred ten".