112233121 has 16 divisors (see below), whose sum is σ = 150691968. Its totient is φ = 80726400.

The previous prime is 112233101. The next prime is 112233131. The reversal of 112233121 is 121332211.

It is a cyclic number.

It is not a de Polignac number, because 112233121 - 2⁷ = 112232993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112233095 and 112233104.

It is not an unprimeable number, because it can be changed into a prime (112233101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55060 + ... + 57061.

It is an arithmetic number, because the mean of its divisors is an integer number (9418248).

Almost surely, 2^112233121 is an apocalyptic number.

112233121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112233121 is a deficient number, since it is larger than the sum of its proper divisors (38458847).

112233121 is a wasteful number, since it uses less digits than its factorization.

112233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112152.

The product of its digits is 72, while the sum is 16.

The square root of 112233121 is about 10594.0134510015. The cubic root of 112233121 is about 482.3626584321.

Adding to 112233121 its reverse (121332211), we get a palindrome (233565332).

It can be divided in two parts, 1122 and 33121, that added together give a palindrome (34243).

The spelling of 112233121 in words is "one hundred twelve million, two hundred thirty-three thousand, one hundred twenty-one".