22111200321 has 8 divisors (see below), whose sum is σ = 33693257664. Its totient is φ = 12634971600.

The previous prime is 22111200289. The next prime is 22111200383. The reversal of 22111200321 is 12300211122.

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

It is not a de Polignac number, because 22111200321 - 2⁵ = 22111200289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22111200321.

It is not an unprimeable number, because it can be changed into a prime (22111200521) 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, 526457130 + ... + 526457171.

It is an arithmetic number, because the mean of its divisors is an integer number (4211657208).

Almost surely, 2^22111200321 is an apocalyptic number.

22111200321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22111200321 is a deficient number, since it is larger than the sum of its proper divisors (11582057343).

22111200321 is a wasteful number, since it uses less digits than its factorization.

22111200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052914311.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22111200321 its reverse (12300211122), we get a palindrome (34411411443).

The spelling of 22111200321 in words is "twenty-two billion, one hundred eleven million, two hundred thousand, three hundred twenty-one".