112121220121122 has 32 divisors (see below), whose sum is σ = 227410804592640. Its totient is φ = 36845725705040.

The previous prime is 112121220121103. The next prime is 112121220121159. The reversal of 112121220121122 is 221121022121211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3899503 + ... + 15474125.

It is an arithmetic number, because the mean of its divisors is an integer number (7106587643520).

Almost surely, 2^{112121220121122} is an apocalyptic number.

112121220121122 is an abundant number, since it is smaller than the sum of its proper divisors (115289584471518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112121220121122 is a wasteful number, since it uses less digits than its factorization.

112121220121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11597438.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112121220121122 its reverse (221121022121211), we get a palindrome (333242242242333).

The spelling of 112121220121122 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".