2131112 has 16 divisors (see below), whose sum is σ = 4011360. Its totient is φ = 1061424.

The previous prime is 2131109. The next prime is 2131127. The reversal of 2131112 is 2111312.

It is a junction number, because it is equal to n+sod(n) for n = 2131093 and 2131102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623 + ... + 4169.

It is an arithmetic number, because the mean of its divisors is an integer number (250710).

2^2131112 is an apocalyptic number.

It is an amenable number.

2131112 is a deficient number, since it is larger than the sum of its proper divisors (1880248).

2131112 is a wasteful number, since it uses less digits than its factorization.

2131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1036 counting only the distinct ones).

The product of its digits is 12, while the sum is 11.

The square root of 2131112 is about 1459.8328671461. The cubic root of 2131112 is about 128.6872217273.

Adding to 2131112 its reverse (2111312), we get a palindrome (4242424).

The spelling of 2131112 in words is "two million, one hundred thirty-one thousand, one hundred twelve".