2102221112 has 16 divisors (see below), whose sum is σ = 3945495840. Its totient is φ = 1050088896.

The previous prime is 2102221111. The next prime is 2102221117. The reversal of 2102221112 is 2111222012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102221111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118928 + ... + 135455.

It is an arithmetic number, because the mean of its divisors is an integer number (246593490).

Almost surely, 2^2102221112 is an apocalyptic number.

It is an amenable number.

2102221112 is a deficient number, since it is larger than the sum of its proper divisors (1843274728).

2102221112 is a wasteful number, since it uses less digits than its factorization.

2102221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255422 (or 255418 counting only the distinct ones).

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

The square root of 2102221112 is about 45849.9848636834. The cubic root of 2102221112 is about 1281.0304836473.

Adding to 2102221112 its reverse (2111222012), we get a palindrome (4213443124).

The spelling of 2102221112 in words is "two billion, one hundred two million, two hundred twenty-one thousand, one hundred twelve".