222100200122201 has 6 divisors (see below), whose sum is σ = 227649402030606. Its totient is φ = 216683122068800.

The previous prime is 222100200122191. The next prime is 222100200122219. The reversal of 222100200122201 is 102221002001222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3205245702400 + 218894954419801 = 1790320^2 + 14795099^2 .

It is not a de Polignac number, because 222100200122201 - 2⁶ = 222100200122137 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 222100200122201.

It is not an unprimeable number, because it can be changed into a prime (222100200322201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66061925780 + ... + 66061929141.

It is an arithmetic number, because the mean of its divisors is an integer number (37941567005101).

Almost surely, 2^{222100200122201} is an apocalyptic number.

It is an amenable number.

222100200122201 is a deficient number, since it is larger than the sum of its proper divisors (5549201908405).

222100200122201 is an equidigital number, since it uses as much as digits as its factorization.

222100200122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132123855003 (or 132123854962 counting only the distinct ones).

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

Adding to 222100200122201 its reverse (102221002001222), we get a palindrome (324321202123423).

The spelling of 222100200122201 in words is "two hundred twenty-two trillion, one hundred billion, two hundred million, one hundred twenty-two thousand, two hundred one".