22120121333 has 4 divisors (see below), whose sum is σ = 22198840908. Its totient is φ = 22041401760.

The previous prime is 22120121311. The next prime is 22120121339. The reversal of 22120121333 is 33312102122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16687989124 + 5432132209 = 129182^2 + 73703^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120121333 - 2¹⁴ = 22120104949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39359366 + ... + 39359927.

It is an arithmetic number, because the mean of its divisors is an integer number (5549710227).

Almost surely, 2^22120121333 is an apocalyptic number.

It is an amenable number.

22120121333 is a deficient number, since it is larger than the sum of its proper divisors (78719575).

22120121333 is an equidigital number, since it uses as much as digits as its factorization.

22120121333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78719574.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22120121333 its reverse (33312102122), we get a palindrome (55432223455).

The spelling of 22120121333 in words is "twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, three hundred thirty-three".