22031320201 has 16 divisors (see below), whose sum is σ = 25085749248. Its totient is φ = 19152614800.

The previous prime is 22031320189. The next prime is 22031320231. The reversal of 22031320201 is 10202313022.

It is a de Polignac number, because none of the positive numbers 2^k-22031320201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22031320231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202016 + ... + 1220206.

It is an arithmetic number, because the mean of its divisors is an integer number (1567859328).

Almost surely, 2^22031320201 is an apocalyptic number.

It is an amenable number.

22031320201 is a deficient number, since it is larger than the sum of its proper divisors (3054429047).

22031320201 is a wasteful number, since it uses less digits than its factorization.

22031320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23012.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22031320201 its reverse (10202313022), we get a palindrome (32233633223).

The spelling of 22031320201 in words is "twenty-two billion, thirty-one million, three hundred twenty thousand, two hundred one".