2112221110 has 8 divisors (see below), whose sum is σ = 3801998016. Its totient is φ = 844888440.

The previous prime is 2112221107. The next prime is 2112221113. The reversal of 2112221110 is 111222112.

It is an interprime number because it is at equal distance from previous prime (2112221107) and next prime (2112221113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112221110² = 8922956035059264200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105611046 + ... + 105611065.

It is an arithmetic number, because the mean of its divisors is an integer number (475249752).

Almost surely, 2^2112221110 is an apocalyptic number.

2112221110 is a deficient number, since it is larger than the sum of its proper divisors (1689776906).

2112221110 is a wasteful number, since it uses less digits than its factorization.

2112221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211222118.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2112221110 is about 45958.9067537512. The cubic root of 2112221110 is about 1283.0585042942.

Adding to 2112221110 its reverse (111222112), we get a palindrome (2223443222).

The spelling of 2112221110 in words is "two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred ten".