222200121122 has 32 divisors (see below), whose sum is σ = 385843409280. Its totient is φ = 94002733440.

The previous prime is 222200121079. The next prime is 222200121149. The reversal of 222200121122 is 221121002222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 222200121122.

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, 157004 + ... + 684872.

It is an arithmetic number, because the mean of its divisors is an integer number (12057606540).

Almost surely, 2^222200121122 is an apocalyptic number.

222200121122 is a deficient number, since it is larger than the sum of its proper divisors (163643288158).

222200121122 is a wasteful number, since it uses less digits than its factorization.

222200121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528266.

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

Adding to 222200121122 its reverse (221121002222), we get a palindrome (443321123344).

The spelling of 222200121122 in words is "two hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, one hundred twenty-two".