222120112201 has 8 divisors (see below), whose sum is σ = 253277232264. Its totient is φ = 192973128960.

The previous prime is 222120112157. The next prime is 222120112211. The reversal of 222120112201 is 102211021222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79130252601 + 142989859600 = 281301^2 + 378140^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222120112201 - 2⁷ = 222120112073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120112211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502533970 + ... + 502534411.

It is an arithmetic number, because the mean of its divisors is an integer number (31659654033).

Almost surely, 2^222120112201 is an apocalyptic number.

It is an amenable number.

222120112201 is a deficient number, since it is larger than the sum of its proper divisors (31157120063).

222120112201 is a wasteful number, since it uses less digits than its factorization.

222120112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005068411.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222120112201 its reverse (102211021222), we get a palindrome (324331133423).

The spelling of 222120112201 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, two hundred one".