1000111010971 has 2 divisors, whose sum is σ = 1000111010972. Its totient is φ = 1000111010970.

The previous prime is 1000111010963. The next prime is 1000111011043. The reversal of 1000111010971 is 1790101110001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000111010971 - 2³ = 1000111010963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000111010911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500055505485 + 500055505486.

It is an arithmetic number, because the mean of its divisors is an integer number (500055505486).

Almost surely, 2^{1000111010971} is an apocalyptic number.

1000111010971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000111010971 is an equidigital number, since it uses as much as digits as its factorization.

1000111010971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 22.

Adding to 1000111010971 its reverse (1790101110001), we get a palindrome (2790212120972).

The spelling of 1000111010971 in words is "one trillion, one hundred eleven million, ten thousand, nine hundred seventy-one".