113201102221 has 4 divisors (see below), whose sum is σ = 113337984672. Its totient is φ = 113064219772.

The previous prime is 113201102143. The next prime is 113201102227. The reversal of 113201102221 is 122201102311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122201102311 = 19249 ⋅6348439.

It is a cyclic number.

It is not a de Polignac number, because 113201102221 - 2⁷ = 113201102093 is a prime.

It is a super-2 number, since 2×113201102221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113201102195 and 113201102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113201102227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68439985 + ... + 68441638.

It is an arithmetic number, because the mean of its divisors is an integer number (28334496168).

Almost surely, 2^113201102221 is an apocalyptic number.

It is an amenable number.

113201102221 is a deficient number, since it is larger than the sum of its proper divisors (136882451).

113201102221 is an equidigital number, since it uses as much as digits as its factorization.

113201102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136882450.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 113201102221 its reverse (122201102311), we get a palindrome (235402204532).

The spelling of 113201102221 in words is "one hundred thirteen billion, two hundred one million, one hundred two thousand, two hundred twenty-one".