112223233121 has 4 divisors (see below), whose sum is σ = 112279543812. Its totient is φ = 112166922432.

The previous prime is 112223233049. The next prime is 112223233127. The reversal of 112223233121 is 121332322211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35458773025 + 76764460096 = 188305^2 + 277064^2 .

It is a cyclic number.

It is not a de Polignac number, because 112223233121 - 2¹⁰ = 112223232097 is a prime.

It is a super-2 number, since 2×112223233121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112223233127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28152356 + ... + 28156341.

It is an arithmetic number, because the mean of its divisors is an integer number (28069885953).

Almost surely, 2^112223233121 is an apocalyptic number.

It is an amenable number.

112223233121 is a deficient number, since it is larger than the sum of its proper divisors (56310691).

112223233121 is an equidigital number, since it uses as much as digits as its factorization.

112223233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56310690.

The product of its digits is 864, while the sum is 23.

Adding to 112223233121 its reverse (121332322211), we get a palindrome (233555555332).

The spelling of 112223233121 in words is "one hundred twelve billion, two hundred twenty-three million, two hundred thirty-three thousand, one hundred twenty-one".