112211121 has 32 divisors (see below), whose sum is σ = 173462400. Its totient is φ = 63866880.

The previous prime is 112211117. The next prime is 112211149. The reversal of 112211121 is 121112211.

It is not a de Polignac number, because 112211121 - 2² = 112211117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112211097 and 112211106.

It is not an unprimeable number, because it can be changed into a prime (112211161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33825 + ... + 36993.

It is an arithmetic number, because the mean of its divisors is an integer number (5420700).

Almost surely, 2^112211121 is an apocalyptic number.

112211121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112211121 is a deficient number, since it is larger than the sum of its proper divisors (61251279).

112211121 is a wasteful number, since it uses less digits than its factorization.

112211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249.

The product of its digits is 8, while the sum is 12.

The square root of 112211121 is about 10592.9750778523. The cubic root of 112211121 is about 482.3311387053.

Adding to 112211121 its reverse (121112211), we get a palindrome (233323332).

It can be divided in two parts, 112211 and 121, that multiplied together give a palindrome (13577531).

The spelling of 112211121 in words is "one hundred twelve million, two hundred eleven thousand, one hundred twenty-one".