1121113130209 has 2 divisors, whose sum is σ = 1121113130210. Its totient is φ = 1121113130208.

The previous prime is 1121113130183. The next prime is 1121113130219. The reversal of 1121113130209 is 9020313111211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 975051577809 + 146061552400 = 987447^2 + 382180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121113130209 - 2⁵ = 1121113130177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121113130219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560556565104 + 560556565105.

It is an arithmetic number, because the mean of its divisors is an integer number (560556565105).

Almost surely, 2^{1121113130209} is an apocalyptic number.

It is an amenable number.

1121113130209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121113130209 is an equidigital number, since it uses as much as digits as its factorization.

1121113130209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 1121113130209 in words is "one trillion, one hundred twenty-one billion, one hundred thirteen million, one hundred thirty thousand, two hundred nine".