200000111028 has 24 divisors (see below), whose sum is σ = 473632105632. Its totient is φ = 65671677984.

The previous prime is 200000110997. The next prime is 200000111029. The reversal of 200000111028 is 820111000002.

200000111028 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 2×200000111028² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200000110998 and 200000111016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000111029) 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 7 ways as a sum of consecutive naturals, for example, 124377375 + ... + 124378982.

It is an arithmetic number, because the mean of its divisors is an integer number (19734671068).

Almost surely, 2^200000111028 is an apocalyptic number.

It is an amenable number.

200000111028 is an abundant number, since it is smaller than the sum of its proper divisors (273631994604).

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

200000111028 is a wasteful number, since it uses less digits than its factorization.

200000111028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248756431 (or 248756429 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The spelling of 200000111028 in words is "two hundred billion, one hundred eleven thousand, twenty-eight".