2221120112 has 20 divisors (see below), whose sum is σ = 4304672400. Its totient is φ = 1110236928.

The previous prime is 2221120093. The next prime is 2221120127. The reversal of 2221120112 is 2110211222.

It is a congruent number.

It is an unprimeable number.

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, 42389 + ... + 78987.

It is an arithmetic number, because the mean of its divisors is an integer number (215233620).

Almost surely, 2^2221120112 is an apocalyptic number.

It is an amenable number.

2221120112 is a deficient number, since it is larger than the sum of its proper divisors (2083552288).

2221120112 is a wasteful number, since it uses less digits than its factorization.

2221120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40400 (or 40394 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2221120112 is about 47128.7609851988. The cubic root of 2221120112 is about 1304.7401139336.

Adding to 2221120112 its reverse (2110211222), we get a palindrome (4331331334).

The spelling of 2221120112 in words is "two billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twelve".