222111111020201 has 16 divisors (see below), whose sum is σ = 239475005616000. Its totient is φ = 204787117461888.

The previous prime is 222111111020179. The next prime is 222111111020273. The reversal of 222111111020201 is 102020111111222.

It is a de Polignac number, because none of the positive numbers 2^k-222111111020201 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 222111111020201.

It is not an unprimeable number, because it can be changed into a prime (222111111029201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39676325 + ... + 44926973.

It is an arithmetic number, because the mean of its divisors is an integer number (14967187851000).

Almost surely, 2^{222111111020201} is an apocalyptic number.

It is an amenable number.

222111111020201 is a deficient number, since it is larger than the sum of its proper divisors (17363894595799).

222111111020201 is a wasteful number, since it uses less digits than its factorization.

222111111020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254448.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222111111020201 its reverse (102020111111222), we get a palindrome (324131222131423).

The spelling of 222111111020201 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred eleven million, twenty thousand, two hundred one".