22222001201201 has 4 divisors (see below), whose sum is σ = 22286041550832. Its totient is φ = 22157960851572.

The previous prime is 22222001201161. The next prime is 22222001201209. The reversal of 22222001201201 is 10210210022222.

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 22222001201201 - 2¹⁸ = 22222000939057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22222001201201.

It is not an unprimeable number, because it can be changed into a prime (22222001201209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32020174295 + ... + 32020174988.

It is an arithmetic number, because the mean of its divisors is an integer number (5571510387708).

Almost surely, 2^{22222001201201} is an apocalyptic number.

It is an amenable number.

22222001201201 is a deficient number, since it is larger than the sum of its proper divisors (64040349631).

22222001201201 is an equidigital number, since it uses as much as digits as its factorization.

22222001201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64040349630.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22222001201201 its reverse (10210210022222), we get a palindrome (32432211223423).

The spelling of 22222001201201 in words is "twenty-two trillion, two hundred twenty-two billion, one million, two hundred one thousand, two hundred one".