200002121111 has 8 divisors (see below), whose sum is σ = 215403342000. Its totient is φ = 184603249152.

The previous prime is 200002121083. The next prime is 200002121129. The reversal of 200002121111 is 111121200002.

200002121111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200002121111 - 2¹⁸ = 200001858967 is a prime.

It is a super-2 number, since 2×200002121111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200002121092 and 200002121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002121311) 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, 408365 + ... + 752838.

It is an arithmetic number, because the mean of its divisors is an integer number (26925417750).

Almost surely, 2^200002121111 is an apocalyptic number.

200002121111 is a deficient number, since it is larger than the sum of its proper divisors (15401220889).

200002121111 is a wasteful number, since it uses less digits than its factorization.

200002121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174465.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200002121111 its reverse (111121200002), we get a palindrome (311123321113).

The spelling of 200002121111 in words is "two hundred billion, two million, one hundred twenty-one thousand, one hundred eleven".