12311123101 has 8 divisors (see below), whose sum is σ = 12441297024. Its totient is φ = 12181154160.

The previous prime is 12311123039. The next prime is 12311123161. The reversal of 12311123101 is 10132111321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12311123101 - 2⁷ = 12311122973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311123161) 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, 71040 + ... + 172246.

It is an arithmetic number, because the mean of its divisors is an integer number (1555162128).

Almost surely, 2^12311123101 is an apocalyptic number.

It is an amenable number.

12311123101 is a deficient number, since it is larger than the sum of its proper divisors (130173923).

12311123101 is a wasteful number, since it uses less digits than its factorization.

12311123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102491.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12311123101 its reverse (10132111321), we get a palindrome (22443234422).

The spelling of 12311123101 in words is "twelve billion, three hundred eleven million, one hundred twenty-three thousand, one hundred one".