12110211021971 has 2 divisors, whose sum is σ = 12110211021972. Its totient is φ = 12110211021970.

The previous prime is 12110211021947. The next prime is 12110211022121. The reversal of 12110211021971 is 17912011201121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12110211021971 is a prime.

It is not a weakly prime, because it can be changed into another prime (12110211021371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055105510985 + 6055105510986.

It is an arithmetic number, because the mean of its divisors is an integer number (6055105510986).

Almost surely, 2^{12110211021971} is an apocalyptic number.

12110211021971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110211021971 is an equidigital number, since it uses as much as digits as its factorization.

12110211021971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 29.

The spelling of 12110211021971 in words is "twelve trillion, one hundred ten billion, two hundred eleven million, twenty-one thousand, nine hundred seventy-one".