112213111 has 4 divisors (see below), whose sum is σ = 114600672. Its totient is φ = 109825552.

The previous prime is 112213109. The next prime is 112213169. The reversal of 112213111 is 111312211.

It is a happy number.

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 112213111 - 2¹ = 112213109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112213091 and 112213100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112253111) 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, 1193710 + ... + 1193803.

It is an arithmetic number, because the mean of its divisors is an integer number (28650168).

Almost surely, 2^112213111 is an apocalyptic number.

112213111 is a deficient number, since it is larger than the sum of its proper divisors (2387561).

112213111 is an equidigital number, since it uses as much as digits as its factorization.

112213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387560.

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

The square root of 112213111 is about 10593.0690076106. The cubic root of 112213111 is about 482.3339899773. Note that the first 3 decimals are identical.

Adding to 112213111 its reverse (111312211), we get a palindrome (223525322).

It can be divided in two parts, 11 and 2213111, that added together give a palindrome (2213122).

The spelling of 112213111 in words is "one hundred twelve million, two hundred thirteen thousand, one hundred eleven".