22120221122 has 8 divisors (see below), whose sum is σ = 33182055756. Its totient is φ = 11059535872.

The previous prime is 22120221119. The next prime is 22120221131. The reversal of 22120221122 is 22112202122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21644588641 + 475632481 = 147121^2 + 21809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22120221122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237503 + ... + 317250.

Almost surely, 2^22120221122 is an apocalyptic number.

22120221122 is a deficient number, since it is larger than the sum of its proper divisors (11061834634).

22120221122 is a wasteful number, since it uses less digits than its factorization.

22120221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574692.

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

Adding to 22120221122 its reverse (22112202122), we get a palindrome (44232423244).

The spelling of 22120221122 in words is "twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".