22201221201 has 32 divisors (see below), whose sum is σ = 31240332288. Its totient is φ = 13996931520.

The previous prime is 22201221199. The next prime is 22201221209. The reversal of 22201221201 is 10212210222.

It is not a de Polignac number, because 22201221201 - 2¹ = 22201221199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201221209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2499370 + ... + 2508236.

It is an arithmetic number, because the mean of its divisors is an integer number (976260384).

Almost surely, 2^22201221201 is an apocalyptic number.

It is an amenable number.

22201221201 is a deficient number, since it is larger than the sum of its proper divisors (9039111087).

22201221201 is a wasteful number, since it uses less digits than its factorization.

22201221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22201221201 its reverse (10212210222), we get a palindrome (32413431423).

The spelling of 22201221201 in words is "twenty-two billion, two hundred one million, two hundred twenty-one thousand, two hundred one".