221120231113 has 8 divisors (see below), whose sum is σ = 221808793248. Its totient is φ = 220432020864.

The previous prime is 221120231083. The next prime is 221120231147. The reversal of 221120231113 is 311132021122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221120231113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221120231413) 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, 1200006 + ... + 1371952.

It is an arithmetic number, because the mean of its divisors is an integer number (27726099156).

Almost surely, 2^221120231113 is an apocalyptic number.

It is an amenable number.

221120231113 is a deficient number, since it is larger than the sum of its proper divisors (688562135).

221120231113 is a wasteful number, since it uses less digits than its factorization.

221120231113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175943.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 221120231113 its reverse (311132021122), we get a palindrome (532252252235).

The spelling of 221120231113 in words is "two hundred twenty-one billion, one hundred twenty million, two hundred thirty-one thousand, one hundred thirteen".