112002131 has 4 divisors (see below), whose sum is σ = 117897000. Its totient is φ = 106107264.

The previous prime is 112002067. The next prime is 112002151. The reversal of 112002131 is 131200211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131200211 = 23 ⋅5704357.

It is a cyclic number.

It is not a de Polignac number, because 112002131 - 2⁶ = 112002067 is a prime.

It is a super-2 number, since 2×112002131² = 25088954697082322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112002151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2947406 + ... + 2947443.

It is an arithmetic number, because the mean of its divisors is an integer number (29474250).

Almost surely, 2^112002131 is an apocalyptic number.

112002131 is a deficient number, since it is larger than the sum of its proper divisors (5894869).

112002131 is an equidigital number, since it uses as much as digits as its factorization.

112002131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894868.

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

The square root of 112002131 is about 10583.1059240660. The cubic root of 112002131 is about 482.0315099664.

Adding to 112002131 its reverse (131200211), we get a palindrome (243202342).

It can be divided in two parts, 11200 and 2131, that added together give a palindrome (13331).

The spelling of 112002131 in words is "one hundred twelve million, two thousand, one hundred thirty-one".