222112120211210 has 16 divisors (see below), whose sum is σ = 403339885553736. Its totient is φ = 88058610490368.

The previous prime is 222112120211161. The next prime is 222112120211231. The reversal of 222112120211210 is 12112021211222.

It can be written as a sum of positive squares in 4 ways, for example, as 75619320307969 + 146492799903241 = 8695937^2 + 12103421^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98279698079 + ... + 98279700338.

Almost surely, 2^{222112120211210} is an apocalyptic number.

222112120211210 is a deficient number, since it is larger than the sum of its proper divisors (181227765342526).

222112120211210 is a wasteful number, since it uses less digits than its factorization.

222112120211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196559398537.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222112120211210 its reverse (12112021211222), we get a palindrome (234224141422432).

The spelling of 222112120211210 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred twenty million, two hundred eleven thousand, two hundred ten".