13111012204244 has 12 divisors (see below), whose sum is σ = 23072451645600. Its totient is φ = 6518883162648.

The previous prime is 13111012204189. The next prime is 13111012204247. The reversal of 13111012204244 is 44240221011131.

It is a super-2 number, since 2×13111012204244² (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 (13111012204247) 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, 9155734064 + ... + 9155735495.

It is an arithmetic number, because the mean of its divisors is an integer number (1922704303800).

Almost surely, 2^{13111012204244} is an apocalyptic number.

It is an amenable number.

13111012204244 is a deficient number, since it is larger than the sum of its proper divisors (9961439441356).

13111012204244 is a wasteful number, since it uses less digits than its factorization.

13111012204244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18311469742 (or 18311469740 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 13111012204244 its reverse (44240221011131), we get a palindrome (57351233215375).

The spelling of 13111012204244 in words is "thirteen trillion, one hundred eleven billion, twelve million, two hundred four thousand, two hundred forty-four".