2201123112 has 16 divisors (see below), whose sum is σ = 5502807840. Its totient is φ = 733707696.

The previous prime is 2201123053. The next prime is 2201123117. The reversal of 2201123112 is 2113211022.

It is a junction number, because it is equal to n+sod(n) for n = 2201123091 and 2201123100.

It is not an unprimeable number, because it can be changed into a prime (2201123117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45856708 + ... + 45856755.

It is an arithmetic number, because the mean of its divisors is an integer number (343925490).

Almost surely, 2^2201123112 is an apocalyptic number.

It is an amenable number.

2201123112 is an abundant number, since it is smaller than the sum of its proper divisors (3301684728).

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

2201123112 is a wasteful number, since it uses less digits than its factorization.

2201123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91713472 (or 91713468 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2201123112 is about 46916.1284847759. The cubic root of 2201123112 is about 1300.8127288763.

Adding to 2201123112 its reverse (2113211022), we get a palindrome (4314334134).

The spelling of 2201123112 in words is "two billion, two hundred one million, one hundred twenty-three thousand, one hundred twelve".