201112221210111 has 24 divisors (see below), whose sum is σ = 301229728254000. Its totient is φ = 129142591049472.

The previous prime is 201112221210059. The next prime is 201112221210139. The reversal of 201112221210111 is 111012122211102.

It is a happy number.

201112221210111 is a `hidden beast` number, since 201 + 1 + 122 + 21 + 210 + 111 = 666.

It is not a de Polignac number, because 201112221210111 - 2¹⁰ = 201112221209087 is a prime.

It is a super-3 number, since 3×201112221210111³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112221215111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 919395306 + ... + 919614023.

It is an arithmetic number, because the mean of its divisors is an integer number (12551238677250).

Almost surely, 2^{201112221210111} is an apocalyptic number.

201112221210111 is a deficient number, since it is larger than the sum of its proper divisors (100117507043889).

201112221210111 is a wasteful number, since it uses less digits than its factorization.

201112221210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839009783 (or 1839009780 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 201112221210111 its reverse (111012122211102), we get a palindrome (312124343421213).

The spelling of 201112221210111 in words is "two hundred one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred ten thousand, one hundred eleven".