211120067989177 has 2 divisors, whose sum is σ = 211120067989178. Its totient is φ = 211120067989176.

The previous prime is 211120067989153. The next prime is 211120067989199. The reversal of 211120067989177 is 771989760021112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188823435620416 + 22296632368761 = 13741304^2 + 4721931^2 .

It is a cyclic number.

It is not a de Polignac number, because 211120067989177 - 2¹⁵ = 211120067956409 is a prime.

It is not a weakly prime, because it can be changed into another prime (211120067989477) 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, 105560033994588 + 105560033994589.

It is an arithmetic number, because the mean of its divisors is an integer number (105560033994589).

Almost surely, 2^{211120067989177} is an apocalyptic number.

It is an amenable number.

211120067989177 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120067989177 is an equidigital number, since it uses as much as digits as its factorization.

211120067989177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5334336, while the sum is 61.

The spelling of 211120067989177 in words is "two hundred eleven trillion, one hundred twenty billion, sixty-seven million, nine hundred eighty-nine thousand, one hundred seventy-seven".