22120003001 has 2 divisors, whose sum is σ = 22120003002. Its totient is φ = 22120003000.

The previous prime is 22120002953. The next prime is 22120003021. The reversal of 22120003001 is 10030002122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20845584400 + 1274418601 = 144380^2 + 35699^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120003001 - 2¹⁰ = 22120001977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22120003021) 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 as a sum of consecutive naturals, namely, 11060001500 + 11060001501.

It is an arithmetic number, because the mean of its divisors is an integer number (11060001501).

Almost surely, 2^22120003001 is an apocalyptic number.

It is an amenable number.

22120003001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120003001 is an equidigital number, since it uses as much as digits as its factorization.

22120003001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22120003001 its reverse (10030002122), we get a palindrome (32150005123).

The spelling of 22120003001 in words is "twenty-two billion, one hundred twenty million, three thousand, one".