222100110212210 has 16 divisors (see below), whose sum is σ = 399780371151000. Its totient is φ = 88840005691776.

The previous prime is 222100110212173. The next prime is 222100110212237. The reversal of 222100110212210 is 12212011001222.

It can be written as a sum of positive squares in 4 ways, for example, as 139549638750769 + 82550471461441 = 11813113^2 + 9085729^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36073676 + ... + 41779304.

Almost surely, 2^{222100110212210} is an apocalyptic number.

222100110212210 is a deficient number, since it is larger than the sum of its proper divisors (177680260938790).

222100110212210 is a wasteful number, since it uses less digits than its factorization.

222100110212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9598285.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222100110212210 its reverse (12212011001222), we get a palindrome (234312121213432).

The spelling of 222100110212210 in words is "two hundred twenty-two trillion, one hundred billion, one hundred ten million, two hundred twelve thousand, two hundred ten".