221102222220002 has 8 divisors (see below), whose sum is σ = 333029488240812. Its totient is φ = 110092392806400.

The previous prime is 221102222220001. The next prime is 221102222220007. The reversal of 221102222220002 is 200022222201122.

It can be written as a sum of positive squares in 2 ways, for example, as 214127293681921 + 6974928538081 = 14633089^2 + 2641009^2 .

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

It is a super-2 number, since 2×221102222220002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221102222220001) 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, 229359151199 + ... + 229359152162.

Almost surely, 2^{221102222220002} is an apocalyptic number.

221102222220002 is a deficient number, since it is larger than the sum of its proper divisors (111927266020810).

221102222220002 is a wasteful number, since it uses less digits than its factorization.

221102222220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458718303604.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 221102222220002 its reverse (200022222201122), we get a palindrome (421124444421124).

The spelling of 221102222220002 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty-two million, two hundred twenty thousand, two".