20112110201 has 2 divisors, whose sum is σ = 20112110202. Its totient is φ = 20112110200.

The previous prime is 20112110191. The next prime is 20112110203. The reversal of 20112110201 is 10201121102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10753482601 + 9358627600 = 103699^2 + 96740^2 .

It is a cyclic number.

It is not a de Polignac number, because 20112110201 - 2¹⁰ = 20112109177 is a prime.

Together with 20112110203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20112110203) 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, 10056055100 + 10056055101.

It is an arithmetic number, because the mean of its divisors is an integer number (10056055101).

Almost surely, 2^20112110201 is an apocalyptic number.

It is an amenable number.

20112110201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112110201 is an equidigital number, since it uses as much as digits as its factorization.

20112110201 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 11.

Adding to 20112110201 its reverse (10201121102), we get a palindrome (30313231303).

The spelling of 20112110201 in words is "twenty billion, one hundred twelve million, one hundred ten thousand, two hundred one".