22100221201 has 4 divisors (see below), whose sum is σ = 22126945392. Its totient is φ = 22073497012.

The previous prime is 22100221193. The next prime is 22100221211. The reversal of 22100221201 is 10212200122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22100221201 - 2³ = 22100221193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100221211) 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, 13360855 + ... + 13362508.

It is an arithmetic number, because the mean of its divisors is an integer number (5531736348).

Almost surely, 2^22100221201 is an apocalyptic number.

It is an amenable number.

22100221201 is a deficient number, since it is larger than the sum of its proper divisors (26724191).

22100221201 is an equidigital number, since it uses as much as digits as its factorization.

22100221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26724190.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22100221201 its reverse (10212200122), we get a palindrome (32312421323).

The spelling of 22100221201 in words is "twenty-two billion, one hundred million, two hundred twenty-one thousand, two hundred one".