20200102211 has 2 divisors, whose sum is σ = 20200102212. Its totient is φ = 20200102210.

The previous prime is 20200102193. The next prime is 20200102213. The reversal of 20200102211 is 11220100202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20200102211 - 2³⁰ = 19126360387 is a prime.

Together with 20200102213, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200102192 and 20200102201.

It is not a weakly prime, because it can be changed into another prime (20200102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100051105 + 10100051106.

It is an arithmetic number, because the mean of its divisors is an integer number (10100051106).

Almost surely, 2^20200102211 is an apocalyptic number.

20200102211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200102211 is an equidigital number, since it uses as much as digits as its factorization.

20200102211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20200102211 its reverse (11220100202), we get a palindrome (31420202413).

The spelling of 20200102211 in words is "twenty billion, two hundred million, one hundred two thousand, two hundred eleven".