22112021201 has 8 divisors (see below), whose sum is σ = 22211175624. Its totient is φ = 22012968960.

The previous prime is 22112021161. The next prime is 22112021263. The reversal of 22112021201 is 10212021122.

It can be written as a sum of positive squares in 4 ways, for example, as 3654081601 + 18457939600 = 60449^2 + 135860^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112021201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112021801) 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, 425981 + ... + 475061.

It is an arithmetic number, because the mean of its divisors is an integer number (2776396953).

Almost surely, 2^22112021201 is an apocalyptic number.

It is an amenable number.

22112021201 is a deficient number, since it is larger than the sum of its proper divisors (99154423).

22112021201 is a wasteful number, since it uses less digits than its factorization.

22112021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51091.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22112021201 its reverse (10212021122), we get a palindrome (32324042323).

The spelling of 22112021201 in words is "twenty-two billion, one hundred twelve million, twenty-one thousand, two hundred one".