12101113001 has 4 divisors (see below), whose sum is σ = 12118988292. Its totient is φ = 12083237712.

The previous prime is 12101112997. The next prime is 12101113007. The reversal of 12101113001 is 10031110121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10031110121 = 29 ⋅345900349.

It can be written as a sum of positive squares in 2 ways, for example, as 9491435776 + 2609677225 = 97424^2 + 51085^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101113001 - 2² = 12101112997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101113007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8936630 + ... + 8937983.

It is an arithmetic number, because the mean of its divisors is an integer number (3029747073).

Almost surely, 2^12101113001 is an apocalyptic number.

It is an amenable number.

12101113001 is a deficient number, since it is larger than the sum of its proper divisors (17875291).

12101113001 is an equidigital number, since it uses as much as digits as its factorization.

12101113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17875290.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 12101113001 its reverse (10031110121), we get a palindrome (22132223122).

The spelling of 12101113001 in words is "twelve billion, one hundred one million, one hundred thirteen thousand, one".