211003109971 has 2 divisors, whose sum is σ = 211003109972. Its totient is φ = 211003109970.

The previous prime is 211003109963. The next prime is 211003110023. The reversal of 211003109971 is 179901300112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211003109971 - 2³ = 211003109963 is a prime.

It is not a weakly prime, because it can be changed into another prime (211003109071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105501554985 + 105501554986.

It is an arithmetic number, because the mean of its divisors is an integer number (105501554986).

Almost surely, 2^211003109971 is an apocalyptic number.

211003109971 is a deficient number, since it is larger than the sum of its proper divisors (1).

211003109971 is an equidigital number, since it uses as much as digits as its factorization.

211003109971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 34.

The spelling of 211003109971 in words is "two hundred eleven billion, three million, one hundred nine thousand, nine hundred seventy-one".