200001091011 has 4 divisors (see below), whose sum is σ = 266668121352. Its totient is φ = 133334060672.

The previous prime is 200001091001. The next prime is 200001091013. The reversal of 200001091011 is 110190100002.

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 200001091011 - 2⁵ = 200001090979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200001091013) 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, 33333515166 + ... + 33333515171.

It is an arithmetic number, because the mean of its divisors is an integer number (66667030338).

Almost surely, 2^200001091011 is an apocalyptic number.

200001091011 is a deficient number, since it is larger than the sum of its proper divisors (66667030341).

200001091011 is an equidigital number, since it uses as much as digits as its factorization.

200001091011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66667030340.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 200001091011 its reverse (110190100002), we get a palindrome (310191191013).

The spelling of 200001091011 in words is "two hundred billion, one million, ninety-one thousand, eleven".