13021111244 has 12 divisors (see below), whose sum is σ = 23572701600. Its totient is φ = 6286053648.

The previous prime is 13021111219. The next prime is 13021111253. The reversal of 13021111244 is 44211112031.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56125364 + ... + 56125595.

It is an arithmetic number, because the mean of its divisors is an integer number (1964391800).

Almost surely, 2^13021111244 is an apocalyptic number.

It is an amenable number.

13021111244 is a deficient number, since it is larger than the sum of its proper divisors (10551590356).

13021111244 is a wasteful number, since it uses less digits than its factorization.

13021111244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112250992 (or 112250990 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 13021111244 its reverse (44211112031), we get a palindrome (57232223275).

The spelling of 13021111244 in words is "thirteen billion, twenty-one million, one hundred eleven thousand, two hundred forty-four".