12101101120 has 28 divisors (see below), whose sum is σ = 28815747804. Its totient is φ = 4840440320.

The previous prime is 12101101091. The next prime is 12101101141. The reversal of 12101101120 is 2110110121.

It can be written as a sum of positive squares in 2 ways, for example, as 3777823296 + 8323277824 = 61464^2 + 91232^2 .

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 = 12101101097 and 12101101106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18907651 + ... + 18908290.

Almost surely, 2^12101101120 is an apocalyptic number.

12101101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101101120 is an abundant number, since it is smaller than the sum of its proper divisors (16714646684).

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

12101101120 is an equidigital number, since it uses as much as digits as its factorization.

12101101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37815958 (or 37815948 counting only the distinct ones).

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

Adding to 12101101120 its reverse (2110110121), we get a palindrome (14211211241).

Subtracting from 12101101120 its reverse (2110110121), we obtain a palindrome (9990990999).

The spelling of 12101101120 in words is "twelve billion, one hundred one million, one hundred one thousand, one hundred twenty".