22133200121 has 2 divisors, whose sum is σ = 22133200122. Its totient is φ = 22133200120.

The previous prime is 22133200091. The next prime is 22133200181. The reversal of 22133200121 is 12100233122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20181327721 + 1951872400 = 142061^2 + 44180^2 .

It is a cyclic number.

It is not a de Polignac number, because 22133200121 - 2¹⁰ = 22133199097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22133200121.

It is not a weakly prime, because it can be changed into another prime (22133200181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066600060 + 11066600061.

It is an arithmetic number, because the mean of its divisors is an integer number (11066600061).

Almost surely, 2^22133200121 is an apocalyptic number.

It is an amenable number.

22133200121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22133200121 is an equidigital number, since it uses as much as digits as its factorization.

22133200121 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22133200121 its reverse (12100233122), we get a palindrome (34233433243).

The spelling of 22133200121 in words is "twenty-two billion, one hundred thirty-three million, two hundred thousand, one hundred twenty-one".