2112221103 has 32 divisors (see below), whose sum is σ = 2952069120. Its totient is φ = 1342262880.

The previous prime is 2112221099. The next prime is 2112221107. The reversal of 2112221103 is 3011222112.

It is an interprime number because it is at equal distance from previous prime (2112221099) and next prime (2112221107).

It is not a de Polignac number, because 2112221103 - 2² = 2112221099 is a prime.

It is a super-2 number, since 2×2112221103² = 8922955975917073218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112221107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 942258 + ... + 944496.

It is an arithmetic number, because the mean of its divisors is an integer number (92252160).

Almost surely, 2^2112221103 is an apocalyptic number.

2112221103 is a deficient number, since it is larger than the sum of its proper divisors (839848017).

2112221103 is a wasteful number, since it uses less digits than its factorization.

2112221103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459.

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

The square root of 2112221103 is about 45958.9066775962. The cubic root of 2112221103 is about 1283.0585028769.

Adding to 2112221103 its reverse (3011222112), we get a palindrome (5123443215).

The spelling of 2112221103 in words is "two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred three".