200020091111 has 4 divisors (see below), whose sum is σ = 200702753832. Its totient is φ = 199337428392.

The previous prime is 200020091101. The next prime is 200020091113. The reversal of 200020091111 is 111190020002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200020091111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200020091111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020091113) 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, 341330921 + ... + 341331506.

It is an arithmetic number, because the mean of its divisors is an integer number (50175688458).

Almost surely, 2^200020091111 is an apocalyptic number.

200020091111 is a deficient number, since it is larger than the sum of its proper divisors (682662721).

200020091111 is an equidigital number, since it uses as much as digits as its factorization.

200020091111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682662720.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 200020091111 in words is "two hundred billion, twenty million, ninety-one thousand, one hundred eleven".