222000121211210 has 32 divisors (see below), whose sum is σ = 413382047432400. Its totient is φ = 85737456967680.

The previous prime is 222000121211179. The next prime is 222000121211257. The reversal of 222000121211210 is 12112121000222.

It can be written as a sum of positive squares in 8 ways, for example, as 150437167070089 + 71562954141121 = 12265283^2 + 8459489^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47315576 + ... + 51795404.

Almost surely, 2^{222000121211210} is an apocalyptic number.

222000121211210 is a deficient number, since it is larger than the sum of its proper divisors (191381926221190).

222000121211210 is a wasteful number, since it uses less digits than its factorization.

222000121211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650746.

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

Adding to 222000121211210 its reverse (12112121000222), we get a palindrome (234112242211432).

The spelling of 222000121211210 in words is "two hundred twenty-two trillion, one hundred twenty-one million, two hundred eleven thousand, two hundred ten".