112100110122221 has 16 divisors (see below), whose sum is σ = 120956139486336. Its totient is φ = 103277365402176.

The previous prime is 112100110122083. The next prime is 112100110122239. The reversal of 112100110122221 is 122221011001211.

It is a cyclic number.

It is not a de Polignac number, because 112100110122221 - 2⁴⁶ = 41731365944557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112100110122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100110122251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534180911 + ... + 534390723.

It is an arithmetic number, because the mean of its divisors is an integer number (7559758717896).

Almost surely, 2^{112100110122221} is an apocalyptic number.

It is an amenable number.

112100110122221 is a deficient number, since it is larger than the sum of its proper divisors (8856029364115).

112100110122221 is a wasteful number, since it uses less digits than its factorization.

112100110122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288932.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112100110122221 its reverse (122221011001211), we get a palindrome (234321121123432).

The spelling of 112100110122221 in words is "one hundred twelve trillion, one hundred billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty-one".