113110301221 has 4 divisors (see below), whose sum is σ = 114111277452. Its totient is φ = 112109324992.

The previous prime is 113110301207. The next prime is 113110301237. The reversal of 113110301221 is 122103011311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122103011311 = 293 ⋅416733827.

It can be written as a sum of positive squares in 2 ways, for example, as 4615164225 + 108495136996 = 67935^2 + 329386^2 .

It is a cyclic number.

It is not a de Polignac number, because 113110301221 - 2⁵ = 113110301189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113110301195 and 113110301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113110301201) 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 3 ways as a sum of consecutive naturals, for example, 500487946 + ... + 500488171.

It is an arithmetic number, because the mean of its divisors is an integer number (28527819363).

Almost surely, 2^113110301221 is an apocalyptic number.

It is an amenable number.

113110301221 is a deficient number, since it is larger than the sum of its proper divisors (1000976231).

113110301221 is a wasteful number, since it uses less digits than its factorization.

113110301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000976230.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 113110301221 its reverse (122103011311), we get a palindrome (235213312532).

The spelling of 113110301221 in words is "one hundred thirteen billion, one hundred ten million, three hundred one thousand, two hundred twenty-one".