2201111112 has 64 divisors (see below), whose sum is σ = 5632257600. Its totient is φ = 716601600.

The previous prime is 2201111083. The next prime is 2201111177. The reversal of 2201111112 is 2111111022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217362 + ... + 227262.

It is an arithmetic number, because the mean of its divisors is an integer number (88004025).

Almost surely, 2^2201111112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201111112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2816128800).

2201111112 is an abundant number, since it is smaller than the sum of its proper divisors (3431146488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2201111112 is a wasteful number, since it uses less digits than its factorization.

2201111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126 (or 10122 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 2201111112 is about 46916.0005968113. Note that the first 3 decimals coincide. The cubic root of 2201111112 is about 1300.8103649648.

Adding to 2201111112 its reverse (2111111022), we get a palindrome (4312222134).

The spelling of 2201111112 in words is "two billion, two hundred one million, one hundred eleven thousand, one hundred twelve".