200111221211 has 8 divisors (see below), whose sum is σ = 218317065024. Its totient is φ = 181907696520.

The previous prime is 200111221201. The next prime is 200111221229. The reversal of 200111221211 is 112122111002.

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

It is a de Polignac number, because none of the positive numbers 2^k-200111221211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200111221201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396845 + ... + 746798.

It is an arithmetic number, because the mean of its divisors is an integer number (27289633128).

Almost surely, 2^200111221211 is an apocalyptic number.

200111221211 is a deficient number, since it is larger than the sum of its proper divisors (18205843813).

200111221211 is a wasteful number, since it uses less digits than its factorization.

200111221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159561.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 200111221211 its reverse (112122111002), we get a palindrome (312233332213).

The spelling of 200111221211 in words is "two hundred billion, one hundred eleven million, two hundred twenty-one thousand, two hundred eleven".