200111122211 has 64 divisors (see below), whose sum is σ = 285313674240. Its totient is φ = 135074856960.

The previous prime is 200111122171. The next prime is 200111122229. The reversal of 200111122211 is 112221111002.

It is a cyclic number.

It is not a de Polignac number, because 200111122211 - 2²² = 200106927907 is a prime.

It is a super-2 number, since 2×200111122211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200111122241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5887955 + ... + 5921843.

It is an arithmetic number, because the mean of its divisors is an integer number (4458026160).

Almost surely, 2^200111122211 is an apocalyptic number.

200111122211 is a deficient number, since it is larger than the sum of its proper divisors (85202552029).

200111122211 is a wasteful number, since it uses less digits than its factorization.

200111122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34284.

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

Adding to 200111122211 its reverse (112221111002), we get a palindrome (312332233213).

The spelling of 200111122211 in words is "two hundred billion, one hundred eleven million, one hundred twenty-two thousand, two hundred eleven".