112131211 has 4 divisors (see below), whose sum is σ = 114031800. Its totient is φ = 110230624.

The previous prime is 112131203. The next prime is 112131277.

It is a happy number.

112131211 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 112131211 - 2³ = 112131203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112131191 and 112131200.

It is not an unprimeable number, because it can be changed into a prime (112131611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950206 + ... + 950323.

It is an arithmetic number, because the mean of its divisors is an integer number (28507950).

Almost surely, 2^112131211 is an apocalyptic number.

112131211 is a deficient number, since it is larger than the sum of its proper divisors (1900589).

112131211 is an equidigital number, since it uses as much as digits as its factorization.

112131211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900588.

The product of its digits is 12, while the sum is 13.

The square root of 112131211 is about 10589.2025667658. The cubic root of 112131211 is about 482.2166157895.

The spelling of 112131211 in words is "one hundred twelve million, one hundred thirty-one thousand, two hundred eleven".