12101120113 has 8 divisors (see below), whose sum is σ = 12345517800. Its totient is φ = 11857317888.

The previous prime is 12101120093. The next prime is 12101120123. The reversal of 12101120113 is 31102110121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2906611569 + 9194508544 = 53913^2 + 95888^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12101120113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12101120093 and 12101120102.

It is not an unprimeable number, because it can be changed into a prime (12101120123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107698 + ... + 189211.

It is an arithmetic number, because the mean of its divisors is an integer number (1543189725).

Almost surely, 2^12101120113 is an apocalyptic number.

It is an amenable number.

12101120113 is a deficient number, since it is larger than the sum of its proper divisors (244397687).

12101120113 is an equidigital number, since it uses as much as digits as its factorization.

12101120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297731.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12101120113 its reverse (31102110121), we get a palindrome (43203230234).

The spelling of 12101120113 in words is "twelve billion, one hundred one million, one hundred twenty thousand, one hundred thirteen".