112122321 has 16 divisors (see below), whose sum is σ = 154503744. Its totient is φ = 72270144.

The previous prime is 112122317. The next prime is 112122347. The reversal of 112122321 is 123221211.

It is not a de Polignac number, because 112122321 - 2² = 112122317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112122321.

It is not an unprimeable number, because it can be changed into a prime (112122301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14995 + ... + 21191.

It is an arithmetic number, because the mean of its divisors is an integer number (9656484).

Almost surely, 2^112122321 is an apocalyptic number.

It is an amenable number.

112122321 is a deficient number, since it is larger than the sum of its proper divisors (42381423).

112122321 is a wasteful number, since it uses less digits than its factorization.

112122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400.

The product of its digits is 48, while the sum is 15.

The square root of 112122321 is about 10588.7827912371. The cubic root of 112122321 is about 482.2038717344.

Adding to 112122321 its reverse (123221211), we get a palindrome (235343532).

The spelling of 112122321 in words is "one hundred twelve million, one hundred twenty-two thousand, three hundred twenty-one".