20122010011 has 2 divisors, whose sum is σ = 20122010012. Its totient is φ = 20122010010.

The previous prime is 20122010009. The next prime is 20122010057. The reversal of 20122010011 is 11001022102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20122010011 - 2¹ = 20122010009 is a prime.

Together with 20122010009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20122010011.

It is not a weakly prime, because it can be changed into another prime (20122070011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061005005 + 10061005006.

It is an arithmetic number, because the mean of its divisors is an integer number (10061005006).

Almost surely, 2^20122010011 is an apocalyptic number.

20122010011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122010011 is an equidigital number, since it uses as much as digits as its factorization.

20122010011 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 20122010011 its reverse (11001022102), we get a palindrome (31123032113).

The spelling of 20122010011 in words is "twenty billion, one hundred twenty-two million, ten thousand, eleven".