121120222011112 has 16 divisors (see below), whose sum is σ = 227210498907840. Its totient is φ = 60530755635696.

The previous prime is 121120222011031. The next prime is 121120222011137. The reversal of 121120222011112 is 211110222021121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121120222011112.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3669403698 + ... + 3669436705.

It is an arithmetic number, because the mean of its divisors is an integer number (14200656181740).

Almost surely, 2^{121120222011112} is an apocalyptic number.

It is an amenable number.

121120222011112 is a deficient number, since it is larger than the sum of its proper divisors (106090276896728).

121120222011112 is a wasteful number, since it uses less digits than its factorization.

121120222011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7338842472 (or 7338842468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 121120222011112 its reverse (211110222021121), we get a palindrome (332230444032233).

The spelling of 121120222011112 in words is "one hundred twenty-one trillion, one hundred twenty billion, two hundred twenty-two million, eleven thousand, one hundred twelve".