200021012113 has 32 divisors (see below), whose sum is σ = 230591037600. Its totient is φ = 171865276416.

The previous prime is 200021012101. The next prime is 200021012123. The reversal of 200021012113 is 311210120002.

200021012113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 96641400384 + 103379611729 = 310872^2 + 321527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200021012113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200021012093 and 200021012102.

It is not an unprimeable number, because it can be changed into a prime (200021012123) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 13699345 + ... + 13713937.

It is an arithmetic number, because the mean of its divisors is an integer number (7205969925).

Almost surely, 2^200021012113 is an apocalyptic number.

It is an amenable number.

200021012113 is a deficient number, since it is larger than the sum of its proper divisors (30570025487).

200021012113 is a wasteful number, since it uses less digits than its factorization.

200021012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15301.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 200021012113 its reverse (311210120002), we get a palindrome (511231132115).

The spelling of 200021012113 in words is "two hundred billion, twenty-one million, twelve thousand, one hundred thirteen".