2112117 has 16 divisors (see below), whose sum is σ = 3294720. Its totient is φ = 1178352.

The previous prime is 2112107. The next prime is 2112127. The reversal of 2112117 is 7112112.

It is an interprime number because it is at equal distance from previous prime (2112107) and next prime (2112127).

It is not a de Polignac number, because 2112117 - 2⁶ = 2112053 is a prime.

It is a super-2 number, since 2×2112117² = 8922076443378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112096 and 2112105.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 267 + ... + 2072.

It is an arithmetic number, because the mean of its divisors is an integer number (205920).

2^2112117 is an apocalyptic number.

It is an amenable number.

2112117 is a deficient number, since it is larger than the sum of its proper divisors (1182603).

2112117 is a wasteful number, since it uses less digits than its factorization.

2112117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392.

The product of its digits is 28, while the sum is 15.

The square root of 2112117 is about 1453.3124233970. The cubic root of 2112117 is about 128.3037423576.

Adding to 2112117 its reverse (7112112), we get a palindrome (9224229).

The spelling of 2112117 in words is "two million, one hundred twelve thousand, one hundred seventeen".