10212219971 has 2 divisors, whose sum is σ = 10212219972. Its totient is φ = 10212219970.

The previous prime is 10212219947. The next prime is 10212219973. The reversal of 10212219971 is 17991221201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10212219971 - 2²⁶ = 10145111107 is a prime.

Together with 10212219973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10212219973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106109985 + 5106109986.

It is an arithmetic number, because the mean of its divisors is an integer number (5106109986).

Almost surely, 2^10212219971 is an apocalyptic number.

10212219971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212219971 is an equidigital number, since it uses as much as digits as its factorization.

10212219971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 10212219971 in words is "ten billion, two hundred twelve million, two hundred nineteen thousand, nine hundred seventy-one".