22111233323221 has 8 divisors (see below), whose sum is σ = 25857654916544. Its totient is φ = 18511730223840.

The previous prime is 22111233323219. The next prime is 22111233323371. The reversal of 22111233323221 is 12232333211122.

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

It is not a de Polignac number, because 22111233323221 - 2¹ = 22111233323219 is a prime.

It is a super-3 number, since 3×22111233323221³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22111233323221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111233323521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36729623160 + ... + 36729623761.

It is an arithmetic number, because the mean of its divisors is an integer number (3232206864568).

Almost surely, 2^{22111233323221} is an apocalyptic number.

It is an amenable number.

22111233323221 is a deficient number, since it is larger than the sum of its proper divisors (3746421593323).

22111233323221 is an equidigital number, since it uses as much as digits as its factorization.

22111233323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73459246971.

The product of its digits is 5184, while the sum is 28.

Adding to 22111233323221 its reverse (12232333211122), we get a palindrome (34343566534343).

The spelling of 22111233323221 in words is "twenty-two trillion, one hundred eleven billion, two hundred thirty-three million, three hundred twenty-three thousand, two hundred twenty-one".