22113301321 has 4 divisors (see below), whose sum is σ = 22254150532. Its totient is φ = 21972452112.

The previous prime is 22113301279. The next prime is 22113301387. The reversal of 22113301321 is 12310331122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5754891321 + 16358410000 = 75861^2 + 127900^2 .

It is a cyclic number.

It is not a de Polignac number, because 22113301321 - 2¹³ = 22113293129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22113301391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70424370 + ... + 70424683.

It is an arithmetic number, because the mean of its divisors is an integer number (5563537633).

Almost surely, 2^22113301321 is an apocalyptic number.

It is an amenable number.

22113301321 is a deficient number, since it is larger than the sum of its proper divisors (140849211).

22113301321 is a wasteful number, since it uses less digits than its factorization.

22113301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140849210.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22113301321 its reverse (12310331122), we get a palindrome (34423632443).

The spelling of 22113301321 in words is "twenty-two billion, one hundred thirteen million, three hundred one thousand, three hundred twenty-one".