27101100422009 has 2 divisors, whose sum is σ = 27101100422010. Its totient is φ = 27101100422008.

The previous prime is 27101100421991. The next prime is 27101100422057. The reversal of 27101100422009 is 90022400110172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24510143395984 + 2590957026025 = 4950772^2 + 1609645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27101100422009 is a prime.

It is not a weakly prime, because it can be changed into another prime (27101100422309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13550550211004 + 13550550211005.

It is an arithmetic number, because the mean of its divisors is an integer number (13550550211005).

Almost surely, 2^{27101100422009} is an apocalyptic number.

It is an amenable number.

27101100422009 is a deficient number, since it is larger than the sum of its proper divisors (1).

27101100422009 is an equidigital number, since it uses as much as digits as its factorization.

27101100422009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 27101100422009 in words is "twenty-seven trillion, one hundred one billion, one hundred million, four hundred twenty-two thousand, nine".