2221021112 has 16 divisors (see below), whose sum is σ = 4383594600. Its totient is φ = 1052062560.

The previous prime is 2221021087. The next prime is 2221021129. The reversal of 2221021112 is 2111201222.

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, 7305839 + ... + 7306142.

Almost surely, 2^2221021112 is an apocalyptic number.

It is an amenable number.

2221021112 is a deficient number, since it is larger than the sum of its proper divisors (2162573488).

2221021112 is a wasteful number, since it uses less digits than its factorization.

2221021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14612006 (or 14612002 counting only the distinct ones).

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

The square root of 2221021112 is about 47127.7106594411. The cubic root of 2221021112 is about 1304.7207286409.

Adding to 2221021112 its reverse (2111201222), we get a palindrome (4332222334).

The spelling of 2221021112 in words is "two billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".