221232112113 has 8 divisors (see below), whose sum is σ = 295591968000. Its totient is φ = 147180165488.

The previous prime is 221232112103. The next prime is 221232112117. The reversal of 221232112113 is 311211232122.

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 221232112113 - 2⁴ = 221232112097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221232112113.

It is not an unprimeable number, because it can be changed into a prime (221232112117) 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, 76975638 + ... + 76978511.

It is an arithmetic number, because the mean of its divisors is an integer number (36948996000).

Almost surely, 2^221232112113 is an apocalyptic number.

It is an amenable number.

221232112113 is a deficient number, since it is larger than the sum of its proper divisors (74359855887).

221232112113 is a wasteful number, since it uses less digits than its factorization.

221232112113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153954631.

The product of its digits is 288, while the sum is 21.

Adding to 221232112113 its reverse (311211232122), we get a palindrome (532443344235).

The spelling of 221232112113 in words is "two hundred twenty-one billion, two hundred thirty-two million, one hundred twelve thousand, one hundred thirteen".