22211232122 has 16 divisors (see below), whose sum is σ = 35279445672. Its totient is φ = 10451520000.

The previous prime is 22211232061. The next prime is 22211232137. The reversal of 22211232122 is 22123211222.

It can be written as a sum of positive squares in 4 ways, for example, as 22117935841 + 93296281 = 148721^2 + 9659^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22211232094 and 22211232103.

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, 750518 + ... + 779550.

Almost surely, 2^22211232122 is an apocalyptic number.

22211232122 is a deficient number, since it is larger than the sum of its proper divisors (13068213550).

22211232122 is a wasteful number, since it uses less digits than its factorization.

22211232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51553.

The product of its digits is 384, while the sum is 20.

Adding to 22211232122 its reverse (22123211222), we get a palindrome (44334443344).

The spelling of 22211232122 in words is "twenty-two billion, two hundred eleven million, two hundred thirty-two thousand, one hundred twenty-two".