211210013711369 has 2 divisors, whose sum is σ = 211210013711370. Its totient is φ = 211210013711368.

The previous prime is 211210013711321. The next prime is 211210013711381. The reversal of 211210013711369 is 963117310012112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166316797653769 + 44893216057600 = 12896387^2 + 6700240^2 .

It is a cyclic number.

It is not a de Polignac number, because 211210013711369 - 2⁴⁰ = 210110502083593 is a prime.

It is a super-2 number, since 2×211210013711369² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211210010711369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605006855684 + 105605006855685.

It is an arithmetic number, because the mean of its divisors is an integer number (105605006855685).

Almost surely, 2^{211210013711369} is an apocalyptic number.

It is an amenable number.

211210013711369 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210013711369 is an equidigital number, since it uses as much as digits as its factorization.

211210013711369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The spelling of 211210013711369 in words is "two hundred eleven trillion, two hundred ten billion, thirteen million, seven hundred eleven thousand, three hundred sixty-nine".