11010231971 has 2 divisors, whose sum is σ = 11010231972. Its totient is φ = 11010231970.

The previous prime is 11010231961. The next prime is 11010231977. The reversal of 11010231971 is 17913201011.

It is a strong prime.

It is an emirp because it is prime and its reverse (17913201011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11010231971 - 2¹⁰ = 11010230947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11010231971.

It is not a weakly prime, because it can be changed into another prime (11010231977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505115985 + 5505115986.

It is an arithmetic number, because the mean of its divisors is an integer number (5505115986).

Almost surely, 2^11010231971 is an apocalyptic number.

11010231971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010231971 is an equidigital number, since it uses as much as digits as its factorization.

11010231971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 26.

Adding to 11010231971 its reverse (17913201011), we get a palindrome (28923432982).

The spelling of 11010231971 in words is "eleven billion, ten million, two hundred thirty-one thousand, nine hundred seventy-one".