112122211 has 8 divisors (see below), whose sum is σ = 118138880.
Its totient is φ = 106117128.
The previous prime is 112122193. The next prime is 112122239. The reversal of 112122211 is 112221211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 112122211 - 223 = 103733603 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 112122191 and 112122200.
It is not an unprimeable number, because it can be changed into a prime (112122271) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22990 + ... + 27436.
It is an arithmetic number, because the mean of its divisors is an integer number (14767360).
Almost surely, 2112122211 is an apocalyptic number.
112122211 is a deficient number, since it is larger than the sum of its proper divisors (6016669).
112122211 is a wasteful number, since it uses less digits than its factorization.
112122211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5793.
The product of its digits is 16, while the sum is 13.
The square root of 112122211 is about 10588.7775970600.
Note that the first 3 decimals coincide.
The cubic root of 112122211 is about 482.2037140422.
Adding to 112122211 its reverse (112221211), we get a palindrome (224343422).
It can be divided in two parts, 1121 and 22211, that added together give a palindrome (23332).
The spelling of 112122211 in words is "one hundred twelve million, one hundred twenty-two thousand, two hundred eleven".