11100030971 has 2 divisors, whose sum is σ = 11100030972. Its totient is φ = 11100030970.

The previous prime is 11100030919. The next prime is 11100031069. The reversal of 11100030971 is 17903000111.

It is a weak prime.

It is an emirp because it is prime and its reverse (17903000111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100030971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11100030871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550015485 + 5550015486.

It is an arithmetic number, because the mean of its divisors is an integer number (5550015486).

Almost surely, 2^11100030971 is an apocalyptic number.

11100030971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100030971 is an equidigital number, since it uses as much as digits as its factorization.

11100030971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 23.

The spelling of 11100030971 in words is "eleven billion, one hundred million, thirty thousand, nine hundred seventy-one".