221032320113 has 8 divisors (see below), whose sum is σ = 243513556416. Its totient is φ = 198948982000.

The previous prime is 221032320107. The next prime is 221032320121. The reversal of 221032320113 is 311023230122.

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 221032320113 - 2²² = 221028125809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221032320013) 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, 99473381 + ... + 99475602.

It is an arithmetic number, because the mean of its divisors is an integer number (30439194552).

Almost surely, 2^221032320113 is an apocalyptic number.

It is an amenable number.

221032320113 is a deficient number, since it is larger than the sum of its proper divisors (22481236303).

221032320113 is a wasteful number, since it uses less digits than its factorization.

221032320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198949095.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221032320113 its reverse (311023230122), we get a palindrome (532055550235).

It can be divided in two parts, 221032 and 320113, that added together give a palindrome (541145).

The spelling of 221032320113 in words is "two hundred twenty-one billion, thirty-two million, three hundred twenty thousand, one hundred thirteen".