1211122001179 has 2 divisors, whose sum is σ = 1211122001180. Its totient is φ = 1211122001178.

The previous prime is 1211122001171. The next prime is 1211122001239. The reversal of 1211122001179 is 9711002211121.

It is a weak prime.

It is an emirp because it is prime and its reverse (9711002211121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1211122001179 - 2³ = 1211122001171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1211122001171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605561000589 + 605561000590.

It is an arithmetic number, because the mean of its divisors is an integer number (605561000590).

Almost surely, 2^{1211122001179} is an apocalyptic number.

1211122001179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211122001179 is an equidigital number, since it uses as much as digits as its factorization.

1211122001179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 28.

The spelling of 1211122001179 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, one thousand, one hundred seventy-nine".