12311231101101 has 10 divisors (see below), whose sum is σ = 18390851398062. Its totient is φ = 8207487400680.

The previous prime is 12311231101067. The next prime is 12311231101111. The reversal of 12311231101101 is 10110113211321.

12311231101101 is a `hidden beast` number, since 1 + 2 + 311 + 231 + 10 + 110 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9894962931876 + 2416268169225 = 3145626^2 + 1554435^2 .

It is not a de Polignac number, because 12311231101101 - 2⁹ = 12311231100589 is a prime.

It is a super-2 number, since 2×12311231101101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311231101111) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75995253630 + ... + 75995253791.

Almost surely, 2^{12311231101101} is an apocalyptic number.

It is an amenable number.

12311231101101 is a deficient number, since it is larger than the sum of its proper divisors (6079620296961).

12311231101101 is an equidigital number, since it uses as much as digits as its factorization.

12311231101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151990507433 (or 151990507424 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 12311231101101 its reverse (10110113211321), we get a palindrome (22421344312422).

The spelling of 12311231101101 in words is "twelve trillion, three hundred eleven billion, two hundred thirty-one million, one hundred one thousand, one hundred one".