200111002120 has 16 divisors (see below), whose sum is σ = 450249754860. Its totient is φ = 80044400832.

The previous prime is 200111002111. The next prime is 200111002121. The reversal of 200111002120 is 21200111002.

It can be written as a sum of positive squares in 2 ways, for example, as 199056960964 + 1054041156 = 446158^2 + 32466^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200111002097 and 200111002106.

It is not an unprimeable number, because it can be changed into a prime (200111002121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2501387487 + ... + 2501387566.

Almost surely, 2^200111002120 is an apocalyptic number.

200111002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200111002120 is an abundant number, since it is smaller than the sum of its proper divisors (250138752740).

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

200111002120 is a wasteful number, since it uses less digits than its factorization.

200111002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002775064 (or 5002775060 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200111002120 its reverse (21200111002), we get a palindrome (221311113122).

The spelling of 200111002120 in words is "two hundred billion, one hundred eleven million, two thousand, one hundred twenty".