2112106 has 4 divisors (see below), whose sum is σ = 3168162. Its totient is φ = 1056052.

The previous prime is 2112079. The next prime is 2112107. The reversal of 2112106 is 6012112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1846881 + 265225 = 1359^2 + 515^2 .

It is not an unprimeable number, because it can be changed into a prime (2112107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528025 + ... + 528028.

2^2112106 is an apocalyptic number.

2112106 is a deficient number, since it is larger than the sum of its proper divisors (1056056).

2112106 is a wasteful number, since it uses less digits than its factorization.

2112106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056055.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2112106 is about 1453.3086389339. The cubic root of 2112106 is about 128.3035196200.

Adding to 2112106 its reverse (6012112), we get a palindrome (8124218).

The spelling of 2112106 in words is "two million, one hundred twelve thousand, one hundred six".