222221121000222 has 16 divisors (see below), whose sum is σ = 444442391857152. Its totient is φ = 74073682023960.

The previous prime is 222221121000209. The next prime is 222221121000223. The reversal of 222221121000222 is 222000121122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221121000223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25262973 + ... + 32903799.

It is an arithmetic number, because the mean of its divisors is an integer number (27777649491072).

Almost surely, 2^{222221121000222} is an apocalyptic number.

222221121000222 is an abundant number, since it is smaller than the sum of its proper divisors (222221270856930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222221121000222 is a wasteful number, since it uses less digits than its factorization.

222221121000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12488063.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222221121000222 its reverse (222000121122222), we get a palindrome (444221242122444).

The spelling of 222221121000222 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twenty-two", and thus it is an aban number.