11067720211 has 2 divisors, whose sum is σ = 11067720212. Its totient is φ = 11067720210.

The previous prime is 11067720121. The next prime is 11067720217. The reversal of 11067720211 is 11202776011.

Together with previous prime (11067720121) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11067720211 - 2⁹ = 11067719699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11067720211.

It is not a weakly prime, because it can be changed into another prime (11067720217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5533860105 + 5533860106.

It is an arithmetic number, because the mean of its divisors is an integer number (5533860106).

Almost surely, 2^11067720211 is an apocalyptic number.

11067720211 is a deficient number, since it is larger than the sum of its proper divisors (1).

11067720211 is an equidigital number, since it uses as much as digits as its factorization.

11067720211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

The spelling of 11067720211 in words is "eleven billion, sixty-seven million, seven hundred twenty thousand, two hundred eleven".