1122210211979 has 2 divisors, whose sum is σ = 1122210211980. Its totient is φ = 1122210211978.

The previous prime is 1122210211951. The next prime is 1122210212009. The reversal of 1122210211979 is 9791120122211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122210211979 - 2⁴⁰ = 22698584203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122210211909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561105105989 + 561105105990.

It is an arithmetic number, because the mean of its divisors is an integer number (561105105990).

Almost surely, 2^{1122210211979} is an apocalyptic number.

1122210211979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122210211979 is an equidigital number, since it uses as much as digits as its factorization.

1122210211979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 1122210211979 in words is "one trillion, one hundred twenty-two billion, two hundred ten million, two hundred eleven thousand, nine hundred seventy-nine".