222120222201 has 12 divisors (see below), whose sum is σ = 320868147028. Its totient is φ = 148067305344.

The previous prime is 222120222187. The next prime is 222120222227. The reversal of 222120222201 is 102222021222.

222120222201 is a `hidden beast` number, since 2 + 221 + 20 + 222 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 160119222201 + 62001000000 = 400149^2 + 249000^2 .

It is not a de Polignac number, because 222120222201 - 2⁵ = 222120222169 is a prime.

It is a super-2 number, since 2×222120222201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120222271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960100 + ... + 1168773.

Almost surely, 2^222120222201 is an apocalyptic number.

It is an amenable number.

222120222201 is a deficient number, since it is larger than the sum of its proper divisors (98747924827).

222120222201 is a wasteful number, since it uses less digits than its factorization.

222120222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140472 (or 2140469 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222120222201 its reverse (102222021222), we get a palindrome (324342243423).

The spelling of 222120222201 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred one".