22201100120221 has 8 divisors (see below), whose sum is σ = 24219535773888. Its totient is φ = 20182690104000.

The previous prime is 22201100120201. The next prime is 22201100120239. The reversal of 22201100120221 is 12202100110222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22201100120221 - 2³¹ = 22198952636573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22201100120195 and 22201100120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201100120201) 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, 4575900 + ... + 8083381.

It is an arithmetic number, because the mean of its divisors is an integer number (3027441971736).

Almost surely, 2^{22201100120221} is an apocalyptic number.

It is an amenable number.

22201100120221 is a deficient number, since it is larger than the sum of its proper divisors (2018435653667).

22201100120221 is a wasteful number, since it uses less digits than its factorization.

22201100120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12818723.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22201100120221 its reverse (12202100110222), we get a palindrome (34403200230443).

Subtracting from 22201100120221 its reverse (12202100110222), we obtain a palindrome (9999000009999).

The spelling of 22201100120221 in words is "twenty-two trillion, two hundred one billion, one hundred million, one hundred twenty thousand, two hundred twenty-one".