12111119971 has 2 divisors, whose sum is σ = 12111119972. Its totient is φ = 12111119970.

The previous prime is 12111119953. The next prime is 12111120001. The reversal of 12111119971 is 17991111121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12111119971 - 2⁷ = 12111119843 is a prime.

It is not a weakly prime, because it can be changed into another prime (12111119071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055559985 + 6055559986.

It is an arithmetic number, because the mean of its divisors is an integer number (6055559986).

Almost surely, 2^12111119971 is an apocalyptic number.

12111119971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111119971 is an equidigital number, since it uses as much as digits as its factorization.

12111119971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134, while the sum is 34.

The spelling of 12111119971 in words is "twelve billion, one hundred eleven million, one hundred nineteen thousand, nine hundred seventy-one".