210212099971 has 2 divisors, whose sum is σ = 210212099972. Its totient is φ = 210212099970.

The previous prime is 210212099969. The next prime is 210212100017. The reversal of 210212099971 is 179990212012.

210212099971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210212099971 - 2¹ = 210212099969 is a prime.

Together with 210212099969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (210212069971) 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, 105106049985 + 105106049986.

It is an arithmetic number, because the mean of its divisors is an integer number (105106049986).

Almost surely, 2^210212099971 is an apocalyptic number.

210212099971 is a deficient number, since it is larger than the sum of its proper divisors (1).

210212099971 is an equidigital number, since it uses as much as digits as its factorization.

210212099971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 210212099971 in words is "two hundred ten billion, two hundred twelve million, ninety-nine thousand, nine hundred seventy-one".