200002000021111 has 4 divisors (see below), whose sum is σ = 201106983446824. Its totient is φ = 198897016595400.

The previous prime is 200002000021051. The next prime is 200002000021121. The reversal of 200002000021111 is 111120000200002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200002000021111 - 2³⁵ = 199967640282743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200002000021121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552491712585 + ... + 552491712946.

It is an arithmetic number, because the mean of its divisors is an integer number (50276745861706).

Almost surely, 2^{200002000021111} is an apocalyptic number.

200002000021111 is a deficient number, since it is larger than the sum of its proper divisors (1104983425713).

200002000021111 is a wasteful number, since it uses less digits than its factorization.

200002000021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104983425712.

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

Adding to 200002000021111 its reverse (111120000200002), we get a palindrome (311122000221113).

It can be divided in two parts, 20000200002 and 1111, that multiplied together give a palindrome (22220222202222).

The spelling of 200002000021111 in words is "two hundred trillion, two billion, twenty-one thousand, one hundred eleven".