222221120210002 has 8 divisors (see below), whose sum is σ = 333378490009212. Its totient is φ = 111094956873600.

The previous prime is 222221120209973. The next prime is 222221120210053. The reversal of 222221120210002 is 200012021122222.

It can be written as a sum of positive squares in 2 ways, for example, as 221740123865481 + 480996344521 = 14890941^2 + 693539^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7801597899 + ... + 7801626382.

Almost surely, 2^{222221120210002} is an apocalyptic number.

222221120210002 is a deficient number, since it is larger than the sum of its proper divisors (111157369799210).

222221120210002 is a wasteful number, since it uses less digits than its factorization.

222221120210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15603231404.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222221120210002 its reverse (200012021122222), we get a palindrome (422233141332224).

The spelling of 222221120210002 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty million, two hundred ten thousand, two".