12101110120 has 32 divisors (see below), whose sum is σ = 29702725920. Its totient is φ = 4400403520.

The previous prime is 12101110039. The next prime is 12101110207. The reversal of 12101110120 is 2101110121.

It is a super-2 number, since 2×12101110120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12101110097 and 12101110106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13750822 + ... + 13751701.

It is an arithmetic number, because the mean of its divisors is an integer number (928210185).

Almost surely, 2^12101110120 is an apocalyptic number.

12101110120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101110120 is an abundant number, since it is smaller than the sum of its proper divisors (17601615800).

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

12101110120 is a wasteful number, since it uses less digits than its factorization.

12101110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27502545 (or 27502541 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12101110120 its reverse (2101110121), we get a palindrome (14202220241).

Subtracting from 12101110120 its reverse (2101110121), we obtain a palindrome (9999999999).

It can be divided in two parts, 121011 and 10120, that added together give a palindrome (131131).

The spelling of 12101110120 in words is "twelve billion, one hundred one million, one hundred ten thousand, one hundred twenty".