1122212011009 has 2 divisors, whose sum is σ = 1122212011010. Its totient is φ = 1122212011008.

The previous prime is 1122212010971. The next prime is 1122212011021. The reversal of 1122212011009 is 9001102122211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 797722281409 + 324489729600 = 893153^2 + 569640^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122212011009 - 2¹⁵ = 1122211978241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122212015009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561106005504 + 561106005505.

It is an arithmetic number, because the mean of its divisors is an integer number (561106005505).

Almost surely, 2^{1122212011009} is an apocalyptic number.

It is an amenable number.

1122212011009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122212011009 is an equidigital number, since it uses as much as digits as its factorization.

1122212011009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1122212011009 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, eleven thousand, nine".