112211311 has 4 divisors (see below), whose sum is σ = 113791824. Its totient is φ = 110630800.

The previous prime is 112211299. The next prime is 112211327. The reversal of 112211311 is 113112211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113112211 = 31 ⋅3648781.

It is a cyclic number.

It is not a de Polignac number, because 112211311 - 2¹⁵ = 112178543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112211291 and 112211300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115211311) 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, 790150 + ... + 790291.

It is an arithmetic number, because the mean of its divisors is an integer number (28447956).

Almost surely, 2^112211311 is an apocalyptic number.

112211311 is a deficient number, since it is larger than the sum of its proper divisors (1580513).

112211311 is an equidigital number, since it uses as much as digits as its factorization.

112211311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580512.

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

The square root of 112211311 is about 10592.9840460561. The cubic root of 112211311 is about 482.3314109387.

Adding to 112211311 its reverse (113112211), we get a palindrome (225323522).

The spelling of 112211311 in words is "one hundred twelve million, two hundred eleven thousand, three hundred eleven".