200111122212211 has 8 divisors (see below), whose sum is σ = 236584577985120. Its totient is φ = 165609204589248.

The previous prime is 200111122212203. The next prime is 200111122212257. The reversal of 200111122212211 is 112212221111002.

It is a happy number.

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

It is not a de Polignac number, because 200111122212211 - 2³ = 200111122212203 is a prime.

It is a super-2 number, since 2×200111122212211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200111122242211) 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, 492884537266 + ... + 492884537671.

It is an arithmetic number, because the mean of its divisors is an integer number (29573072248140).

Almost surely, 2^{200111122212211} is an apocalyptic number.

200111122212211 is a deficient number, since it is larger than the sum of its proper divisors (36473455772909).

200111122212211 is an equidigital number, since it uses as much as digits as its factorization.

200111122212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985769074973.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 200111122212211 its reverse (112212221111002), we get a palindrome (312323343323213).

The spelling of 200111122212211 in words is "two hundred trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twelve thousand, two hundred eleven".