222002120002210 has 16 divisors (see below), whose sum is σ = 399906317023992. Its totient is φ = 88733625552000.

The previous prime is 222002120002189. The next prime is 222002120002217. The reversal of 222002120002210 is 12200021200222.

It can be written as a sum of positive squares in 4 ways, for example, as 172122775876249 + 49879344125961 = 13119557^2 + 7062531^2 .

It is not an unprimeable number, because it can be changed into a prime (222002120002217) 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, 8402792241 + ... + 8402818660.

Almost surely, 2^{222002120002210} is an apocalyptic number.

222002120002210 is a deficient number, since it is larger than the sum of its proper divisors (177904197021782).

222002120002210 is a wasteful number, since it uses less digits than its factorization.

222002120002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805612229.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222002120002210 its reverse (12200021200222), we get a palindrome (234202141202432).

The spelling of 222002120002210 in words is "two hundred twenty-two trillion, two billion, one hundred twenty million, two thousand, two hundred ten".