221013113 has 8 divisors (see below), whose sum is σ = 224195136. Its totient is φ = 217854000.

The previous prime is 221013109. The next prime is 221013119. The reversal of 221013113 is 311310122.

221013113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221013113 - 2² = 221013109 is a prime.

It is a super-2 number, since 2×221013113² = 97693592235901538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221013119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14195 + ... + 25367.

It is an arithmetic number, because the mean of its divisors is an integer number (28024392).

Almost surely, 2^221013113 is an apocalyptic number.

It is an amenable number.

221013113 is a deficient number, since it is larger than the sum of its proper divisors (3182023).

221013113 is a wasteful number, since it uses less digits than its factorization.

221013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11455.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 221013113 is about 14866.5097786939. The cubic root of 221013113 is about 604.6063172016.

Adding to 221013113 its reverse (311310122), we get a palindrome (532323235).

The spelling of 221013113 in words is "two hundred twenty-one million, thirteen thousand, one hundred thirteen".