1100100009971 has 2 divisors, whose sum is σ = 1100100009972. Its totient is φ = 1100100009970.

The previous prime is 1100100009889. The next prime is 1100100010003. The reversal of 1100100009971 is 1799000010011.

It is a strong prime.

It is an emirp because it is prime and its reverse (1799000010011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1100100009971 - 2¹⁰ = 1100100008947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1100100002971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550050004985 + 550050004986.

It is an arithmetic number, because the mean of its divisors is an integer number (550050004986).

Almost surely, 2^{1100100009971} is an apocalyptic number.

1100100009971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100100009971 is an equidigital number, since it uses as much as digits as its factorization.

1100100009971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 29.

Adding to 1100100009971 its reverse (1799000010011), we get a palindrome (2899100019982).

The spelling of 1100100009971 in words is "one trillion, one hundred billion, one hundred million, nine thousand, nine hundred seventy-one".