20002122211 has 2 divisors, whose sum is σ = 20002122212. Its totient is φ = 20002122210.

The previous prime is 20002122193. The next prime is 20002122221. The reversal of 20002122211 is 11222120002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20002122211 - 2⁷ = 20002122083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002122191 and 20002122200.

It is not a weakly prime, because it can be changed into another prime (20002122221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001061105 + 10001061106.

It is an arithmetic number, because the mean of its divisors is an integer number (10001061106).

Almost surely, 2^20002122211 is an apocalyptic number.

20002122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002122211 is an equidigital number, since it uses as much as digits as its factorization.

20002122211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20002122211 its reverse (11222120002), we get a palindrome (31224242213).

The spelling of 20002122211 in words is "twenty billion, two million, one hundred twenty-two thousand, two hundred eleven".