222202121210 has 16 divisors (see below), whose sum is σ = 399991425696. Its totient is φ = 88874713488.

The previous prime is 222202121201. The next prime is 222202121231. The reversal of 222202121210 is 12121202222.

It is a happy number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 613292 + ... + 905831.

It is an arithmetic number, because the mean of its divisors is an integer number (24999464106).

Almost surely, 2^222202121210 is an apocalyptic number.

222202121210 is a deficient number, since it is larger than the sum of its proper divisors (177789304486).

222202121210 is a wasteful number, since it uses less digits than its factorization.

222202121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533757.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222202121210 its reverse (12121202222), we get a palindrome (234323323432).

The spelling of 222202121210 in words is "two hundred twenty-two billion, two hundred two million, one hundred twenty-one thousand, two hundred ten".