13100221144 has 16 divisors (see below), whose sum is σ = 24838903800. Its totient is φ = 6476513472.

The previous prime is 13100221117. The next prime is 13100221153. The reversal of 13100221144 is 44112200131.

It is a congruent number.

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, 9198882 + ... + 9200305.

Almost surely, 2^13100221144 is an apocalyptic number.

It is an amenable number.

13100221144 is a deficient number, since it is larger than the sum of its proper divisors (11738682656).

13100221144 is a wasteful number, since it uses less digits than its factorization.

13100221144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18399282 (or 18399278 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13100221144 its reverse (44112200131), we get a palindrome (57212421275).

The spelling of 13100221144 in words is "thirteen billion, one hundred million, two hundred twenty-one thousand, one hundred forty-four".