222201221122112 has 14 divisors (see below), whose sum is σ = 440930548164318. Its totient is φ = 111100610561024.

The previous prime is 222201221122087. The next prime is 222201221122157. The reversal of 222201221122112 is 211221122102222.

It can be written as a sum of positive squares in only one way, i.e., 190286133491776 + 31915087630336 = 13794424^2 + 5649344^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1735947039953 + ... + 1735947040080.

Almost surely, 2^{222201221122112} is an apocalyptic number.

It is an amenable number.

222201221122112 is a deficient number, since it is larger than the sum of its proper divisors (218729327042206).

222201221122112 is an equidigital number, since it uses as much as digits as its factorization.

222201221122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471894080045 (or 3471894080035 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222201221122112 its reverse (211221122102222), we get a palindrome (433422343224334).

The spelling of 222201221122112 in words is "two hundred twenty-two trillion, two hundred one billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twelve".