222221222201201 has 12 divisors (see below), whose sum is σ = 225400358713776. Its totient is φ = 219086313264840.

The previous prime is 222221222201171. The next prime is 222221222201339. The reversal of 222221222201201 is 102102222122222.

It is not a de Polignac number, because 222221222201201 - 2²⁶ = 222221155092337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222221222201401) 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 11 ways as a sum of consecutive naturals, for example, 229320566 + ... + 230287568.

It is an arithmetic number, because the mean of its divisors is an integer number (18783363226148).

Almost surely, 2^{222221222201201} is an apocalyptic number.

It is an amenable number.

222221222201201 is a deficient number, since it is larger than the sum of its proper divisors (3179136512575).

222221222201201 is an frugal number, since it uses more digits than its factorization.

222221222201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012732 (or 1012661 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222221222201201 its reverse (102102222122222), we get a palindrome (324323444323423).

The spelling of 222221222201201 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred one thousand, two hundred one".