22222221210122 has 16 divisors (see below), whose sum is σ = 33339976339272. Its totient is φ = 11108896001280.

The previous prime is 22222221210073. The next prime is 22222221210131. The reversal of 22222221210122 is 22101212222222.

It can be written as a sum of positive squares in 4 ways, for example, as 21887791476721 + 334429733401 = 4678439^2 + 578299^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228629198 + ... + 228726374.

Almost surely, 2^{22222221210122} is an apocalyptic number.

22222221210122 is a deficient number, since it is larger than the sum of its proper divisors (11117755129150).

22222221210122 is a wasteful number, since it uses less digits than its factorization.

22222221210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118793.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22222221210122 its reverse (22101212222222), we get a palindrome (44323433432344).

The spelling of 22222221210122 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred ten thousand, one hundred twenty-two".