22120121133 has 12 divisors (see below), whose sum is σ = 34855948608. Its totient is φ = 13406133960.

The previous prime is 22120121123. The next prime is 22120121137. The reversal of 22120121133 is 33112102122.

22120121133 is a `hidden beast` number, since 221 + 201 + 211 + 33 = 666.

It is not a de Polignac number, because 22120121133 - 2⁴ = 22120121117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120121137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111717685 + ... + 111717882.

It is an arithmetic number, because the mean of its divisors is an integer number (2904662384).

Almost surely, 2^22120121133 is an apocalyptic number.

It is an amenable number.

22120121133 is a deficient number, since it is larger than the sum of its proper divisors (12735827475).

22120121133 is a wasteful number, since it uses less digits than its factorization.

22120121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223435584 (or 223435581 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22120121133 its reverse (33112102122), we get a palindrome (55232223255).

The spelling of 22120121133 in words is "twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, one hundred thirty-three".