122222211021122 has 8 divisors (see below), whose sum is σ = 183334273616700. Its totient is φ = 61110786482224.

The previous prime is 122222211021109. The next prime is 122222211021167. The reversal of 122222211021122 is 221120112222221.

It can be written as a sum of positive squares in 2 ways, for example, as 91495710184921 + 30726500836201 = 9565339^2 + 5543149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159034997 + ... + 159801672.

Almost surely, 2^{122222211021122} is an apocalyptic number.

122222211021122 is a deficient number, since it is larger than the sum of its proper divisors (61112062595578).

122222211021122 is a wasteful number, since it uses less digits than its factorization.

122222211021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319028340.

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

Adding to 122222211021122 its reverse (221120112222221), we get a palindrome (343342323243343).

The spelling of 122222211021122 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, twenty-one thousand, one hundred twenty-two".