22111301321 has 8 divisors (see below), whose sum is σ = 23463725760. Its totient is φ = 20791465552.

The previous prime is 22111301279. The next prime is 22111301327. The reversal of 22111301321 is 12310311122.

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 22111301321 - 2⁶ = 22111301257 is a prime.

It is a super-2 number, since 2×22111301321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22111301321.

It is not an unprimeable number, because it can be changed into a prime (22111301327) 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, 8145770 + ... + 8148483.

It is an arithmetic number, because the mean of its divisors is an integer number (2932965720).

Almost surely, 2^22111301321 is an apocalyptic number.

It is an amenable number.

22111301321 is a deficient number, since it is larger than the sum of its proper divisors (1352424439).

22111301321 is a wasteful number, since it uses less digits than its factorization.

22111301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16294335.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 22111301321 its reverse (12310311122), we get a palindrome (34421612443).

The spelling of 22111301321 in words is "twenty-two billion, one hundred eleven million, three hundred one thousand, three hundred twenty-one".