201112220111 has 8 divisors (see below), whose sum is σ = 219403909200. Its totient is φ = 182821991040.

The previous prime is 201112220083. The next prime is 201112220117. The reversal of 201112220111 is 111022211102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201112220111 is a prime.

It is a super-2 number, since 2×201112220111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112220117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66356 + ... + 637673.

It is an arithmetic number, because the mean of its divisors is an integer number (27425488650).

Almost surely, 2^201112220111 is an apocalyptic number.

201112220111 is a deficient number, since it is larger than the sum of its proper divisors (18291689089).

201112220111 is a wasteful number, since it uses less digits than its factorization.

201112220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730009.

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

Adding to 201112220111 its reverse (111022211102), we get a palindrome (312134431213).

Subtracting from 201112220111 its reverse (111022211102), we obtain a palindrome (90090009009).

The spelling of 201112220111 in words is "two hundred one billion, one hundred twelve million, two hundred twenty thousand, one hundred eleven".