222110211021201 has 36 divisors (see below), whose sum is σ = 338714823991908. Its totient is φ = 140232622940928.

The previous prime is 222110211021151. The next prime is 222110211021227. The reversal of 222110211021201 is 102120112011222.

222110211021201 is a `hidden beast` number, since 2 + 221 + 10 + 211 + 0 + 21 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 180141386648976 + 41968824372225 = 13421676^2 + 6478335^2 .

It is not a de Polignac number, because 222110211021201 - 2⁷ = 222110211021073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222110211021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1980820 + ... + 21169413.

Almost surely, 2^{222110211021201} is an apocalyptic number.

It is an amenable number.

222110211021201 is a deficient number, since it is larger than the sum of its proper divisors (116604612970707).

222110211021201 is a wasteful number, since it uses less digits than its factorization.

222110211021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23153230 (or 23153208 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222110211021201 its reverse (102120112011222), we get a palindrome (324230323032423).

The spelling of 222110211021201 in words is "two hundred twenty-two trillion, one hundred ten billion, two hundred eleven million, twenty-one thousand, two hundred one".