221113195 has 4 divisors (see below), whose sum is σ = 265335840. Its totient is φ = 176890552.

The previous prime is 221113187. The next prime is 221113201. The reversal of 221113195 is 591311122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221113195 - 2³ = 221113187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22111315 + ... + 22111324.

It is an arithmetic number, because the mean of its divisors is an integer number (66333960).

Almost surely, 2^221113195 is an apocalyptic number.

221113195 is a deficient number, since it is larger than the sum of its proper divisors (44222645).

221113195 is an equidigital number, since it uses as much as digits as its factorization.

221113195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44222644.

The product of its digits is 540, while the sum is 25.

The square root of 221113195 is about 14869.8754197875. The cubic root of 221113195 is about 604.6975652988.

The spelling of 221113195 in words is "two hundred twenty-one million, one hundred thirteen thousand, one hundred ninety-five".