120110011128 has 96 divisors (see below), whose sum is σ = 336415497600. Its totient is φ = 38673158400.

The previous prime is 120110011121. The next prime is 120110011157. The reversal of 120110011128 is 821110011021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 120110011128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120110011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157778 + ... + 1257246.

It is an arithmetic number, because the mean of its divisors is an integer number (3504328100).

Almost surely, 2^120110011128 is an apocalyptic number.

120110011128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120110011128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168207748800).

120110011128 is an abundant number, since it is smaller than the sum of its proper divisors (216305486472).

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

120110011128 is a wasteful number, since it uses less digits than its factorization.

120110011128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100053 (or 100046 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 120110011128 its reverse (821110011021), we get a palindrome (941220022149).

The spelling of 120110011128 in words is "one hundred twenty billion, one hundred ten million, eleven thousand, one hundred twenty-eight".