200211121112111 has 32 divisors (see below), whose sum is σ = 209994575155200. Its totient is φ = 190646416800000.

The previous prime is 200211121112087. The next prime is 200211121112161. The reversal of 200211121112111 is 111211121112002.

It is not a de Polignac number, because 200211121112111 - 2²² = 200211116917807 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 200211121112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211121112161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6786572861 + ... + 6786602361.

It is an arithmetic number, because the mean of its divisors is an integer number (6562330473600).

Almost surely, 2^{200211121112111} is an apocalyptic number.

200211121112111 is a deficient number, since it is larger than the sum of its proper divisors (9783454043089).

200211121112111 is a wasteful number, since it uses less digits than its factorization.

200211121112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35591.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 200211121112111 its reverse (111211121112002), we get a palindrome (311422242224113).

It can be divided in two parts, 2002 and 11121112111, that multiplied together give a palindrome (22264466446222).

The spelling of 200211121112111 in words is "two hundred trillion, two hundred eleven billion, one hundred twenty-one million, one hundred twelve thousand, one hundred eleven".