112223210121 has 24 divisors (see below), whose sum is σ = 181615946304. Its totient is φ = 66175846560.

The previous prime is 112223210119. The next prime is 112223210149. The reversal of 112223210121 is 121012322211.

112223210121 is a `hidden beast` number, since 1 + 1 + 222 + 321 + 0 + 121 = 666.

It is not a de Polignac number, because 112223210121 - 2¹ = 112223210119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112223210094 and 112223210103.

It is not an unprimeable number, because it can be changed into a prime (112223210191) 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 23 ways as a sum of consecutive naturals, for example, 15314821 + ... + 15322146.

It is an arithmetic number, because the mean of its divisors is an integer number (7567331096).

Almost surely, 2^112223210121 is an apocalyptic number.

112223210121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112223210121 is a deficient number, since it is larger than the sum of its proper divisors (69392736183).

112223210121 is a wasteful number, since it uses less digits than its factorization.

112223210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30637021 (or 30637018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 112223210121 its reverse (121012322211), we get a palindrome (233235532332).

The spelling of 112223210121 in words is "one hundred twelve billion, two hundred twenty-three million, two hundred ten thousand, one hundred twenty-one".