2122201121122 has 16 divisors (see below), whose sum is σ = 3370894314552. Its totient is φ = 998582260480.

The previous prime is 2122201121041. The next prime is 2122201121239. The reversal of 2122201121122 is 2211211022212.

It can be written as a sum of positive squares in 4 ways, for example, as 1916510753161 + 205690367961 = 1384381^2 + 453531^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2122201121122.

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, 2801413 + ... + 3477400.

Almost surely, 2^{2122201121122} is an apocalyptic number.

2122201121122 is a deficient number, since it is larger than the sum of its proper divisors (1248693193430).

2122201121122 is a wasteful number, since it uses less digits than its factorization.

2122201121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288773.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2122201121122 its reverse (2211211022212), we get a palindrome (4333412143334).

The spelling of 2122201121122 in words is "two trillion, one hundred twenty-two billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-two".