120100120110 has 48 divisors (see below), whose sum is σ = 314644009680. Its totient is φ = 31782216960.

The previous prime is 120100120097. The next prime is 120100120111. The reversal of 120100120110 is 11021001021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 120100120092 and 120100120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100120111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5081515 + ... + 5105094.

It is an arithmetic number, because the mean of its divisors is an integer number (6555083535).

Almost surely, 2^120100120110 is an apocalyptic number.

120100120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120100120110 is an abundant number, since it is smaller than the sum of its proper divisors (194543889570).

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

120100120110 is a wasteful number, since it uses less digits than its factorization.

120100120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186753 (or 10186750 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120100120110 its reverse (11021001021), we get a palindrome (131121121131).

The spelling of 120100120110 in words is "one hundred twenty billion, one hundred million, one hundred twenty thousand, one hundred ten".