111211210200011 has 16 divisors (see below), whose sum is σ = 112305332127744. Its totient is φ = 110118116407104.

The previous prime is 111211210200001. The next prime is 111211210200029. The reversal of 111211210200011 is 110002012112111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211210200011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111211210200001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1938022826 + ... + 1938080208.

It is an arithmetic number, because the mean of its divisors is an integer number (7019083257984).

Almost surely, 2^{111211210200011} is an apocalyptic number.

111211210200011 is a deficient number, since it is larger than the sum of its proper divisors (1094121927733).

111211210200011 is a wasteful number, since it uses less digits than its factorization.

111211210200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66010.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111211210200011 its reverse (110002012112111), we get a palindrome (221213222312122).

The spelling of 111211210200011 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred ten million, two hundred thousand, eleven".