113201224221 has 16 divisors (see below), whose sum is σ = 151081305984. Its totient is φ = 75394355904.

The previous prime is 113201224159. The next prime is 113201224247. The reversal of 113201224221 is 122422102311.

It is a happy number.

It is not a de Polignac number, because 113201224221 - 2⁷ = 113201224093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113201224271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22294335 + ... + 22299411.

It is an arithmetic number, because the mean of its divisors is an integer number (9442581624).

Almost surely, 2^113201224221 is an apocalyptic number.

It is an amenable number.

113201224221 is a deficient number, since it is larger than the sum of its proper divisors (37880081763).

113201224221 is a wasteful number, since it uses less digits than its factorization.

113201224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10820.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 113201224221 its reverse (122422102311), we get a palindrome (235623326532).

The spelling of 113201224221 in words is "one hundred thirteen billion, two hundred one million, two hundred twenty-four thousand, two hundred twenty-one".