120021121112 has 8 divisors (see below), whose sum is σ = 225039602100. Its totient is φ = 60010560552.

The previous prime is 120021121111. The next prime is 120021121123. The reversal of 120021121112 is 211121120021.

120021121112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021121111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7501320062 + ... + 7501320077.

Almost surely, 2^120021121112 is an apocalyptic number.

It is an amenable number.

120021121112 is a deficient number, since it is larger than the sum of its proper divisors (105018480988).

120021121112 is a wasteful number, since it uses less digits than its factorization.

120021121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15002640145 (or 15002640141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120021121112 its reverse (211121120021), we get a palindrome (331142241133).

The spelling of 120021121112 in words is "one hundred twenty billion, twenty-one million, one hundred twenty-one thousand, one hundred twelve".