121002221010971 has 2 divisors, whose sum is σ = 121002221010972. Its totient is φ = 121002221010970.

The previous prime is 121002221010929. The next prime is 121002221011117. The reversal of 121002221010971 is 179010122200121.

It is a weak prime.

It is an emirp because it is prime and its reverse (179010122200121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121002221010971 is a prime.

It is not a weakly prime, because it can be changed into another prime (121002221010071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501110505485 + 60501110505486.

It is an arithmetic number, because the mean of its divisors is an integer number (60501110505486).

Almost surely, 2^{121002221010971} is an apocalyptic number.

121002221010971 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002221010971 is an equidigital number, since it uses as much as digits as its factorization.

121002221010971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 121002221010971 in words is "one hundred twenty-one trillion, two billion, two hundred twenty-one million, ten thousand, nine hundred seventy-one".