113221020044 has 12 divisors (see below), whose sum is σ = 216149220168. Its totient is φ = 51464100000.

The previous prime is 113221020037. The next prime is 113221020047. The reversal of 113221020044 is 440020122311.

It is a junction number, because it is equal to n+sod(n) for n = 113221019998 and 113221020025.

It is not an unprimeable number, because it can be changed into a prime (113221020047) 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, 1286602457 + ... + 1286602544.

It is an arithmetic number, because the mean of its divisors is an integer number (18012435014).

Almost surely, 2^113221020044 is an apocalyptic number.

It is an amenable number.

113221020044 is a deficient number, since it is larger than the sum of its proper divisors (102928200124).

113221020044 is a wasteful number, since it uses less digits than its factorization.

113221020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573205016 (or 2573205014 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 113221020044 its reverse (440020122311), we get a palindrome (553241142355).

The spelling of 113221020044 in words is "one hundred thirteen billion, two hundred twenty-one million, twenty thousand, forty-four".