112232121221 has 16 divisors (see below), whose sum is σ = 123676632000. Its totient is φ = 100995024000.

The previous prime is 112232121181. The next prime is 112232121227. The reversal of 112232121221 is 122121232211.

It is a cyclic number.

It is not a de Polignac number, because 112232121221 - 2¹⁴ = 112232104837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112232121193 and 112232121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112232121227) 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, 6044570 + ... + 6063108.

It is an arithmetic number, because the mean of its divisors is an integer number (7729789500).

Almost surely, 2^112232121221 is an apocalyptic number.

112232121221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112232121221 is a deficient number, since it is larger than the sum of its proper divisors (11444510779).

112232121221 is a wasteful number, since it uses less digits than its factorization.

112232121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24100.

The product of its digits is 192, while the sum is 20.

Adding to 112232121221 its reverse (122121232211), we get a palindrome (234353353432).

The spelling of 112232121221 in words is "one hundred twelve billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-one".