2221031112 has 32 divisors (see below), whose sum is σ = 5553895200. Its totient is φ = 740168064.

The previous prime is 2221031083. The next prime is 2221031117. The reversal of 2221031112 is 2111301222.

It is a junction number, because it is equal to n+sod(n) for n = 2221031091 and 2221031100.

It is not an unprimeable number, because it can be changed into a prime (2221031117) 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 7 ways as a sum of consecutive naturals, for example, 128403 + ... + 144669.

It is an arithmetic number, because the mean of its divisors is an integer number (173559225).

Almost surely, 2^2221031112 is an apocalyptic number.

It is an amenable number.

2221031112 is an abundant number, since it is smaller than the sum of its proper divisors (3332864088).

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

2221031112 is a wasteful number, since it uses less digits than its factorization.

2221031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21965 (or 21961 counting only the distinct ones).

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

The square root of 2221031112 is about 47127.8167540148. The cubic root of 2221031112 is about 1304.7226867775.

Adding to 2221031112 its reverse (2111301222), we get a palindrome (4332332334).

The spelling of 2221031112 in words is "two billion, two hundred twenty-one million, thirty-one thousand, one hundred twelve".