22011221122 has 16 divisors (see below), whose sum is σ = 37584378432. Its totient is φ = 9570095920.

The previous prime is 22011221101. The next prime is 22011221143. The reversal of 22011221122 is 22112211022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22011221101) and next prime (22011221143).

It is a junction number, because it is equal to n+sod(n) for n = 22011221096 and 22011221105.

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, 21749713 + ... + 21750724.

It is an arithmetic number, because the mean of its divisors is an integer number (2349023652).

Almost surely, 2^22011221122 is an apocalyptic number.

22011221122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22011221122 is a deficient number, since it is larger than the sum of its proper divisors (15573157310).

22011221122 is a wasteful number, since it uses less digits than its factorization.

22011221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43500473.

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

Adding to 22011221122 its reverse (22112211022), we get a palindrome (44123432144).

The spelling of 22011221122 in words is "twenty-two billion, eleven million, two hundred twenty-one thousand, one hundred twenty-two".