222202122212122 has 16 divisors (see below), whose sum is σ = 359284065071400. Its totient is φ = 102457061252352.

The previous prime is 222202122212089. The next prime is 222202122212159. The reversal of 222202122212122 is 221212221202222.

It can be written as a sum of positive squares in 4 ways, for example, as 222149456093041 + 52666119081 = 14904679^2 + 229491^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4073488203 + ... + 4073542750.

Almost surely, 2^{222202122212122} is an apocalyptic number.

222202122212122 is a deficient number, since it is larger than the sum of its proper divisors (137081942859278).

222202122212122 is a wasteful number, since it uses less digits than its factorization.

222202122212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147032017.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 222202122212122 its reverse (221212221202222), we get a palindrome (443414343414344).

The spelling of 222202122212122 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".