113221306245 has 16 divisors (see below), whose sum is σ = 181201223232. Its totient is φ = 60368985600.

The previous prime is 113221306241. The next prime is 113221306259. The reversal of 113221306245 is 542603122311.

It is not a de Polignac number, because 113221306245 - 2² = 113221306241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221306241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922252 + ... + 1037781.

It is an arithmetic number, because the mean of its divisors is an integer number (11325076452).

Almost surely, 2^113221306245 is an apocalyptic number.

113221306245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113221306245 is a deficient number, since it is larger than the sum of its proper divisors (67979916987).

113221306245 is a wasteful number, since it uses less digits than its factorization.

113221306245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963892.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 113221306245 its reverse (542603122311), we get a palindrome (655824428556).

The spelling of 113221306245 in words is "one hundred thirteen billion, two hundred twenty-one million, three hundred six thousand, two hundred forty-five".