113100032221 has 4 divisors (see below), whose sum is σ = 123381853344. Its totient is φ = 102818211100.

The previous prime is 113100032209. The next prime is 113100032237. The reversal of 113100032221 is 122230001311.

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.

It is not a de Polignac number, because 113100032221 - 2⁷ = 113100032093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113100032195 and 113100032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113100032251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5140910545 + ... + 5140910566.

It is an arithmetic number, because the mean of its divisors is an integer number (30845463336).

Almost surely, 2^113100032221 is an apocalyptic number.

113100032221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113100032221 is a deficient number, since it is larger than the sum of its proper divisors (10281821123).

113100032221 is a wasteful number, since it uses less digits than its factorization.

113100032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10281821122.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 113100032221 its reverse (122230001311), we get a palindrome (235330033532).

The spelling of 113100032221 in words is "one hundred thirteen billion, one hundred million, thirty-two thousand, two hundred twenty-one".