113331200221 has 4 divisors (see below), whose sum is σ = 113362571452. Its totient is φ = 113299828992.

The previous prime is 113331200219. The next prime is 113331200243. The reversal of 113331200221 is 122002133311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122002133311 = 199403 ⋅611837.

It can be written as a sum of positive squares in 2 ways, for example, as 31600395225 + 81730804996 = 177765^2 + 285886^2 .

It is a cyclic number.

It is not a de Polignac number, because 113331200221 - 2¹ = 113331200219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113331200321) by changing a digit.

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, 15680196 + ... + 15687421.

It is an arithmetic number, because the mean of its divisors is an integer number (28340642863).

Almost surely, 2^113331200221 is an apocalyptic number.

It is an amenable number.

113331200221 is a deficient number, since it is larger than the sum of its proper divisors (31371231).

113331200221 is an equidigital number, since it uses as much as digits as its factorization.

113331200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31371230.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 113331200221 its reverse (122002133311), we get a palindrome (235333333532).

The spelling of 113331200221 in words is "one hundred thirteen billion, three hundred thirty-one million, two hundred thousand, two hundred twenty-one".