120112221112 has 128 divisors (see below), whose sum is σ = 266730408000. Its totient is φ = 50203238400.

The previous prime is 120112221067. The next prime is 120112221121. The reversal of 120112221112 is 211122211021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5777328 + ... + 5798080.

Almost surely, 2^120112221112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120112221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133365204000).

120112221112 is an abundant number, since it is smaller than the sum of its proper divisors (146618186888).

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

120112221112 is a wasteful number, since it uses less digits than its factorization.

120112221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20921 (or 20917 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120112221112 its reverse (211122211021), we get a palindrome (331234432133).

The spelling of 120112221112 in words is "one hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred twelve".