2211221122 has 16 divisors (see below), whose sum is σ = 3622192992. Its totient is φ = 1004036320.

The previous prime is 2211221113. The next prime is 2211221141.

It is a happy number.

2211221122 is nontrivially palindromic in base 10.

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

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 2211221096 and 2211221105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31768 + ... + 73699.

It is an arithmetic number, because the mean of its divisors is an integer number (226387062).

Almost surely, 2^2211221122 is an apocalyptic number.

2211221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2211221122 is a deficient number, since it is larger than the sum of its proper divisors (1410971870).

2211221122 is a wasteful number, since it uses less digits than its factorization.

2211221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106433.

The product of its digits is 64, while the sum is 16.

The square root of 2211221122 is about 47023.6230207754. The cubic root of 2211221122 is about 1302.7989245673.

It can be divided in two parts, 22112 and 21122, that added together give a palindrome (43234).

The spelling of 2211221122 in words is "two billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".