201100000027 has 2 divisors, whose sum is σ = 201100000028. Its totient is φ = 201100000026.

The previous prime is 201100000001. The next prime is 201100000037. The reversal of 201100000027 is 720000001102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201100000027 - 2²³ = 201091611419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201099999962 and 201100000016.

It is not a weakly prime, because it can be changed into another prime (201100000037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550000013 + 100550000014.

It is an arithmetic number, because the mean of its divisors is an integer number (100550000014).

Almost surely, 2^201100000027 is an apocalyptic number.

201100000027 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100000027 is an equidigital number, since it uses as much as digits as its factorization.

201100000027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 13.

Adding to 201100000027 its reverse (720000001102), we get a palindrome (921100001129).

The spelling of 201100000027 in words is "two hundred one billion, one hundred million, twenty-seven", and thus it is an aban number.