201210111000971 has 2 divisors, whose sum is σ = 201210111000972. Its totient is φ = 201210111000970.

The previous prime is 201210111000931. The next prime is 201210111001037. The reversal of 201210111000971 is 179000111012102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201210111000971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201210111000971.

It is not a weakly prime, because it can be changed into another prime (201210111000931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605055500485 + 100605055500486.

It is an arithmetic number, because the mean of its divisors is an integer number (100605055500486).

Almost surely, 2^{201210111000971} is an apocalyptic number.

201210111000971 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210111000971 is an equidigital number, since it uses as much as digits as its factorization.

201210111000971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 201210111000971 in words is "two hundred one trillion, two hundred ten billion, one hundred eleven million, nine hundred seventy-one", and thus it is an aban number.