121112111324 has 12 divisors (see below), whose sum is σ = 211985186448. Its totient is φ = 60544915200.

The previous prime is 121112111311. The next prime is 121112111401. The reversal of 121112111324 is 423111211121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121112111296 and 121112111305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2760632 + ... + 2804159.

It is an arithmetic number, because the mean of its divisors is an integer number (17665432204).

Almost surely, 2^121112111324 is an apocalyptic number.

It is an amenable number.

121112111324 is a deficient number, since it is larger than the sum of its proper divisors (90873075124).

121112111324 is a wasteful number, since it uses less digits than its factorization.

121112111324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570236 (or 5570234 counting only the distinct ones).

The product of its digits is 96, while the sum is 20.

Adding to 121112111324 its reverse (423111211121), we get a palindrome (544223322445).

The spelling of 121112111324 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, three hundred twenty-four".