120110110020 has 36 divisors (see below), whose sum is σ = 364334000940. Its totient is φ = 32029362624.

The previous prime is 120110109971. The next prime is 120110110063. The reversal of 120110110020 is 20011011021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19150131456 + 100959978564 = 138384^2 + 317742^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 = 120110109984 and 120110110011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333639015 + ... + 333639374.

It is an arithmetic number, because the mean of its divisors is an integer number (10120388915).

Almost surely, 2^120110110020 is an apocalyptic number.

120110110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120110110020 is an abundant number, since it is smaller than the sum of its proper divisors (244223890920).

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

120110110020 is a wasteful number, since it uses less digits than its factorization.

120110110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667278404 (or 667278399 counting only the distinct ones).

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

Adding to 120110110020 its reverse (20011011021), we get a palindrome (140121121041).

It can be divided in two parts, 1201101 and 10020, that added together give a palindrome (1211121).

The spelling of 120110110020 in words is "one hundred twenty billion, one hundred ten million, one hundred ten thousand, twenty".