1113221013208 has 16 divisors (see below), whose sum is σ = 2110742091000. Its totient is φ = 550356455616.

The previous prime is 1113221013199. The next prime is 1113221013259. The reversal of 1113221013208 is 8023101223111.

It is a super-2 number, since 2×1113221013208² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781755618 + ... + 781757041.

Almost surely, 2^{1113221013208} is an apocalyptic number.

It is an amenable number.

1113221013208 is a deficient number, since it is larger than the sum of its proper divisors (997521077792).

1113221013208 is a wasteful number, since it uses less digits than its factorization.

1113221013208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563512754 (or 1563512750 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 1113221013208 its reverse (8023101223111), we get a palindrome (9136322236319).

The spelling of 1113221013208 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, thirteen thousand, two hundred eight".