2122111221122 has 16 divisors (see below), whose sum is σ = 3184659234240. Its totient is φ = 1060558268112.

The previous prime is 2122111221091. The next prime is 2122111221143. The reversal of 2122111221122 is 2211221112212.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2122111221094 and 2122111221103.

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, 39543404 + ... + 39597032.

It is an arithmetic number, because the mean of its divisors is an integer number (199041202140).

Almost surely, 2^{2122111221122} is an apocalyptic number.

2122111221122 is a deficient number, since it is larger than the sum of its proper divisors (1062548013118).

2122111221122 is a wasteful number, since it uses less digits than its factorization.

2122111221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62537.

The product of its digits is 128, while the sum is 20.

Adding to 2122111221122 its reverse (2211221112212), we get a palindrome (4333332333334).

The spelling of 2122111221122 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".