22120121330 has 8 divisors (see below), whose sum is σ = 39816218412. Its totient is φ = 8848048528.

The previous prime is 22120121311. The next prime is 22120121339. The reversal of 22120121330 is 3312102122.

It can be written as a sum of positive squares in 2 ways, for example, as 21915545521 + 204575809 = 148039^2 + 14303^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22120121299 and 22120121308.

It is not an unprimeable number, because it can be changed into a prime (22120121339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106006057 + ... + 1106006076.

Almost surely, 2^22120121330 is an apocalyptic number.

22120121330 is a deficient number, since it is larger than the sum of its proper divisors (17696097082).

22120121330 is a wasteful number, since it uses less digits than its factorization.

22120121330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212012140.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22120121330 its reverse (3312102122), we get a palindrome (25432223452).

The spelling of 22120121330 in words is "twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, three hundred thirty".