121112321122 has 8 divisors (see below), whose sum is σ = 195642980316. Its totient is φ = 55897994352.

The previous prime is 121112321119. The next prime is 121112321123. The reversal of 121112321122 is 221123211121.

It can be written as a sum of positive squares in 2 ways, for example, as 98947364481 + 22164956641 = 314559^2 + 148879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121112321122.

It is not an unprimeable number, because it can be changed into a prime (121112321123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329083073 + ... + 2329083124.

Almost surely, 2^121112321122 is an apocalyptic number.

121112321122 is a deficient number, since it is larger than the sum of its proper divisors (74530659194).

121112321122 is a wasteful number, since it uses less digits than its factorization.

121112321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4658166212.

The product of its digits is 96, while the sum is 19.

Adding to 121112321122 its reverse (221123211121), we get a palindrome (342235532243).

The spelling of 121112321122 in words is "one hundred twenty-one billion, one hundred twelve million, three hundred twenty-one thousand, one hundred twenty-two".