112123212232221 has 24 divisors (see below), whose sum is σ = 163943316744480. Its totient is φ = 73831868930016.

The previous prime is 112123212232219. The next prime is 112123212232231. The reversal of 112123212232221 is 122232212321211.

112123212232221 is a `hidden beast` number, since 1 + 1 + 2 + 12 + 321 + 2 + 2 + 322 + 2 + 1 = 666.

It is not a de Polignac number, because 112123212232221 - 2¹ = 112123212232219 is a prime.

It is a super-2 number, since 2×112123212232221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112123212232231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13240591 + ... + 19988988.

It is an arithmetic number, because the mean of its divisors is an integer number (6830971531020).

Almost surely, 2^{112123212232221} is an apocalyptic number.

It is an amenable number.

112123212232221 is a deficient number, since it is larger than the sum of its proper divisors (51820104512259).

112123212232221 is a wasteful number, since it uses less digits than its factorization.

112123212232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33234185 (or 33234182 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 112123212232221 its reverse (122232212321211), we get a palindrome (234355424553432).

The spelling of 112123212232221 in words is "one hundred twelve trillion, one hundred twenty-three billion, two hundred twelve million, two hundred thirty-two thousand, two hundred twenty-one".