20201001211 has 2 divisors, whose sum is σ = 20201001212. Its totient is φ = 20201001210.

The previous prime is 20201001203. The next prime is 20201001217. The reversal of 20201001211 is 11210010202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20201001211 - 2³ = 20201001203 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201001217) 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 as a sum of consecutive naturals, namely, 10100500605 + 10100500606.

It is an arithmetic number, because the mean of its divisors is an integer number (10100500606).

Almost surely, 2^20201001211 is an apocalyptic number.

20201001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201001211 is an equidigital number, since it uses as much as digits as its factorization.

20201001211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20201001211 its reverse (11210010202), we get a palindrome (31411011413).

The spelling of 20201001211 in words is "twenty billion, two hundred one million, one thousand, two hundred eleven".