13131212244111 has 24 divisors (see below), whose sum is σ = 20811732623136. Its totient is φ = 7928279087040.

The previous prime is 13131212244071. The next prime is 13131212244121. The reversal of 13131212244111 is 11144221213131.

13131212244111 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 21 + 224 + 411 + 1 = 666.

It is not a de Polignac number, because 13131212244111 - 2⁷ = 13131212243983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131212244121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1058791755 + ... + 1058804156.

It is an arithmetic number, because the mean of its divisors is an integer number (867155525964).

Almost surely, 2^{13131212244111} is an apocalyptic number.

13131212244111 is a deficient number, since it is larger than the sum of its proper divisors (7680520379025).

13131212244111 is a wasteful number, since it uses less digits than its factorization.

13131212244111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117595983 (or 2117595980 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 13131212244111 its reverse (11144221213131), we get a palindrome (24275433457242).

The spelling of 13131212244111 in words is "thirteen trillion, one hundred thirty-one billion, two hundred twelve million, two hundred forty-four thousand, one hundred eleven".