22102221122 has 4 divisors (see below), whose sum is σ = 33153331686. Its totient is φ = 11051110560.

The previous prime is 22102221109. The next prime is 22102221131. The reversal of 22102221122 is 22112220122.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17913413281 + 4188807841 = 133841^2 + 64721^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22102221122.

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 as a sum of consecutive naturals, namely, 5525555279 + ... + 5525555282.

Almost surely, 2^22102221122 is an apocalyptic number.

22102221122 is a deficient number, since it is larger than the sum of its proper divisors (11051110564).

22102221122 is a wasteful number, since it uses less digits than its factorization.

22102221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051110563.

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

Adding to 22102221122 its reverse (22112220122), we get a palindrome (44214441244).

The spelling of 22102221122 in words is "twenty-two billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty-two".