120211021112 has 128 divisors (see below), whose sum is σ = 309188275200. Its totient is φ = 42402797568.

The previous prime is 120211021081. The next prime is 120211021123. The reversal of 120211021112 is 211120112021.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 20468 + ... + 490755.

It is an arithmetic number, because the mean of its divisors is an integer number (2415533400).

Almost surely, 2^120211021112 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 120211021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154594137600).

120211021112 is an abundant number, since it is smaller than the sum of its proper divisors (188977254088).

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

120211021112 is a wasteful number, since it uses less digits than its factorization.

120211021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511285 (or 511281 counting only the distinct ones).

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

Adding to 120211021112 its reverse (211120112021), we get a palindrome (331331133133).

Subtracting 120211021112 from its reverse (211120112021), we obtain a palindrome (90909090909).

The spelling of 120211021112 in words is "one hundred twenty billion, two hundred eleven million, twenty-one thousand, one hundred twelve".