1100100001271 has 2 divisors, whose sum is σ = 1100100001272. Its totient is φ = 1100100001270.

The previous prime is 1100100001181. The next prime is 1100100001283. The reversal of 1100100001271 is 1721000010011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100100001271 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100100001471) 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, 550050000635 + 550050000636.

It is an arithmetic number, because the mean of its divisors is an integer number (550050000636).

Almost surely, 2^{1100100001271} is an apocalyptic number.

1100100001271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100100001271 is an equidigital number, since it uses as much as digits as its factorization.

1100100001271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 14.

Adding to 1100100001271 its reverse (1721000010011), we get a palindrome (2821100011282).

The spelling of 1100100001271 in words is "one trillion, one hundred billion, one hundred million, one thousand, two hundred seventy-one".