2112135 has 16 divisors (see below), whose sum is σ = 3557760. Its totient is φ = 1067040.

The previous prime is 2112127. The next prime is 2112139. The reversal of 2112135 is 5312112.

It is not a de Polignac number, because 2112135 - 2³ = 2112127 is a prime.

It is a super-2 number, since 2×2112135² = 8922228516450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112139) 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, 3421 + ... + 3990.

It is an arithmetic number, because the mean of its divisors is an integer number (222360).

2^2112135 is an apocalyptic number.

2112135 is a deficient number, since it is larger than the sum of its proper divisors (1445625).

2112135 is a wasteful number, since it uses less digits than its factorization.

2112135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7438.

The product of its digits is 60, while the sum is 15.

The square root of 2112135 is about 1453.3186161334. The cubic root of 2112135 is about 128.3041068356.

Adding to 2112135 its reverse (5312112), we get a palindrome (7424247).

It can be divided in two parts, 211 and 2135, that added together give a triangular number (2346 = T₆₈).

The spelling of 2112135 in words is "two million, one hundred twelve thousand, one hundred thirty-five".