221113211322 has 32 divisors (see below), whose sum is σ = 472057873920. Its totient is φ = 68841768240.

The previous prime is 221113211257. The next prime is 221113211327. The reversal of 221113211322 is 223112311122.

It is a super-2 number, since 2×221113211322² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (221113211327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13650988 + ... + 13667175.

It is an arithmetic number, because the mean of its divisors is an integer number (14751808560).

Almost surely, 2^221113211322 is an apocalyptic number.

221113211322 is an abundant number, since it is smaller than the sum of its proper divisors (250944662598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221113211322 is a wasteful number, since it uses less digits than its factorization.

221113211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27318258.

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

Adding to 221113211322 its reverse (223112311122), we get a palindrome (444225522444).

The spelling of 221113211322 in words is "two hundred twenty-one billion, one hundred thirteen million, two hundred eleven thousand, three hundred twenty-two".