20200101011 has 2 divisors, whose sum is σ = 20200101012. Its totient is φ = 20200101010.

The previous prime is 20200100969. The next prime is 20200101059. The reversal of 20200101011 is 11010100202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20200101011 - 2¹⁰ = 20200099987 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20200101011.

It is not a weakly prime, because it can be changed into another prime (20200101071) 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, 10100050505 + 10100050506.

It is an arithmetic number, because the mean of its divisors is an integer number (10100050506).

Almost surely, 2^20200101011 is an apocalyptic number.

20200101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200101011 is an equidigital number, since it uses as much as digits as its factorization.

20200101011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20200101011 its reverse (11010100202), we get a palindrome (31210201213).

The spelling of 20200101011 in words is "twenty billion, two hundred million, one hundred one thousand, eleven".