212102122010071 has 2 divisors, whose sum is σ = 212102122010072. Its totient is φ = 212102122010070.

The previous prime is 212102122010041. The next prime is 212102122010131. The reversal of 212102122010071 is 170010221201212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212102122010071 - 2⁴³ = 203306028987863 is a prime.

It is a super-2 number, since 2×212102122010071² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212102122010041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051061005035 + 106051061005036.

It is an arithmetic number, because the mean of its divisors is an integer number (106051061005036).

Almost surely, 2^{212102122010071} is an apocalyptic number.

212102122010071 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102122010071 is an equidigital number, since it uses as much as digits as its factorization.

212102122010071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 212102122010071 its reverse (170010221201212), we get a palindrome (382112343211283).

The spelling of 212102122010071 in words is "two hundred twelve trillion, one hundred two billion, one hundred twenty-two million, ten thousand, seventy-one".