122066661011 has 2 divisors, whose sum is σ = 122066661012. Its totient is φ = 122066661010.

The previous prime is 122066660977. The next prime is 122066661019. The reversal of 122066661011 is 110166660221.

It is a strong prime.

It is an emirp because it is prime and its reverse (110166660221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122066661011 - 2¹⁰ = 122066659987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (122066661019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61033330505 + 61033330506.

It is an arithmetic number, because the mean of its divisors is an integer number (61033330506).

Almost surely, 2^122066661011 is an apocalyptic number.

122066661011 is a deficient number, since it is larger than the sum of its proper divisors (1).

122066661011 is an equidigital number, since it uses as much as digits as its factorization.

122066661011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 122066661011 in words is "one hundred twenty-two billion, sixty-six million, six hundred sixty-one thousand, eleven".