222201221121202 has 8 divisors (see below), whose sum is σ = 333794153444076. Its totient is φ = 110936503306512.

The previous prime is 222201221121163. The next prime is 222201221121203. The reversal of 222201221121202 is 202121122102222.

It can be written as a sum of positive squares in 2 ways, for example, as 138201631534561 + 83999589586641 = 11755919^2 + 9165129^2 .

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

It is not an unprimeable number, because it can be changed into a prime (222201221121203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82053625353 + ... + 82053628060.

Almost surely, 2^{222201221121202} is an apocalyptic number.

222201221121202 is a deficient number, since it is larger than the sum of its proper divisors (111592932322874).

222201221121202 is a wasteful number, since it uses less digits than its factorization.

222201221121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164107254092.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222201221121202 its reverse (202121122102222), we get a palindrome (424322343223424).

The spelling of 222201221121202 in words is "two hundred twenty-two trillion, two hundred one billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred two".