20003122211 has 2 divisors, whose sum is σ = 20003122212. Its totient is φ = 20003122210.

The previous prime is 20003122201. The next prime is 20003122261. The reversal of 20003122211 is 11222130002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20003122211 - 2¹⁴ = 20003105827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20003122201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001561105 + 10001561106.

It is an arithmetic number, because the mean of its divisors is an integer number (10001561106).

Almost surely, 2^20003122211 is an apocalyptic number.

20003122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003122211 is an equidigital number, since it uses as much as digits as its factorization.

20003122211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20003122211 its reverse (11222130002), we get a palindrome (31225252213).

The spelling of 20003122211 in words is "twenty billion, three million, one hundred twenty-two thousand, two hundred eleven".