2122221122 has 16 divisors (see below), whose sum is σ = 3647175552. Its totient is φ = 907252800.

The previous prime is 2122221083. The next prime is 2122221133. The reversal of 2122221122 is 2211222212.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2122221122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183398 + ... + 194625.

It is an arithmetic number, because the mean of its divisors is an integer number (227948472).

Almost surely, 2^2122221122 is an apocalyptic number.

2122221122 is a deficient number, since it is larger than the sum of its proper divisors (1524954430).

2122221122 is a wasteful number, since it uses less digits than its factorization.

2122221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378433.

The product of its digits is 128, while the sum is 17.

The square root of 2122221122 is about 46067.5712622231. The cubic root of 2122221122 is about 1285.0801369171.

Adding to 2122221122 its reverse (2211222212), we get a palindrome (4333443334).

The spelling of 2122221122 in words is "two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".