22222200211201 has 4 divisors (see below), whose sum is σ = 22246120772100. Its totient is φ = 22198279650304.

The previous prime is 22222200211163. The next prime is 22222200211229. The reversal of 22222200211201 is 10211200222222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5669922945600 + 16552277265601 = 2381160^2 + 4068449^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222200211201 - 2⁷ = 22222200211073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222200211231) 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, 11960279056 + ... + 11960280913.

It is an arithmetic number, because the mean of its divisors is an integer number (5561530193025).

Almost surely, 2^{22222200211201} is an apocalyptic number.

It is an amenable number.

22222200211201 is a deficient number, since it is larger than the sum of its proper divisors (23920560899).

22222200211201 is an equidigital number, since it uses as much as digits as its factorization.

22222200211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23920560898.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22222200211201 its reverse (10211200222222), we get a palindrome (32433400433423).

The spelling of 22222200211201 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred million, two hundred eleven thousand, two hundred one".