22121130322 has 4 divisors (see below), whose sum is σ = 33181695486. Its totient is φ = 11060565160.

The previous prime is 22121130299. The next prime is 22121130377. The reversal of 22121130322 is 22303112122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22303112122 = 2 ⋅11151556061.

It can be written as a sum of positive squares in only one way, i.e., 22120910361 + 219961 = 148731^2 + 469^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22121130322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530282579 + ... + 5530282582.

Almost surely, 2^22121130322 is an apocalyptic number.

22121130322 is a deficient number, since it is larger than the sum of its proper divisors (11060565164).

22121130322 is a wasteful number, since it uses less digits than its factorization.

22121130322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060565163.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22121130322 its reverse (22303112122), we get a palindrome (44424242444).

The spelling of 22121130322 in words is "twenty-two billion, one hundred twenty-one million, one hundred thirty thousand, three hundred twenty-two".