221113322311 has 8 divisors (see below), whose sum is σ = 256984007040. Its totient is φ = 186313404408.

The previous prime is 221113322299. The next prime is 221113322329. The reversal of 221113322311 is 113223311122.

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

It is not a de Polignac number, because 221113322311 - 2⁵ = 221113322279 is a prime.

It is a super-2 number, since 2×221113322311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221114322311) 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, 267691261 + ... + 267692086.

It is an arithmetic number, because the mean of its divisors is an integer number (32123000880).

Almost surely, 2^221113322311 is an apocalyptic number.

221113322311 is a deficient number, since it is larger than the sum of its proper divisors (35870684729).

221113322311 is an equidigital number, since it uses as much as digits as its factorization.

221113322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535383413.

The product of its digits is 432, while the sum is 22.

Adding to 221113322311 its reverse (113223311122), we get a palindrome (334336633433).

The spelling of 221113322311 in words is "two hundred twenty-one billion, one hundred thirteen million, three hundred twenty-two thousand, three hundred eleven".