1121121201113 has 2 divisors, whose sum is σ = 1121121201114. Its totient is φ = 1121121201112.

The previous prime is 1121121201097. The next prime is 1121121201143. The reversal of 1121121201113 is 3111021211211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 570671463184 + 550449737929 = 755428^2 + 741923^2 .

It is an emirp because it is prime and its reverse (3111021211211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121121201113 - 2⁴ = 1121121201097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121121201091 and 1121121201100.

It is not a weakly prime, because it can be changed into another prime (1121121201143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560560600556 + 560560600557.

It is an arithmetic number, because the mean of its divisors is an integer number (560560600557).

Almost surely, 2^{1121121201113} is an apocalyptic number.

It is an amenable number.

1121121201113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121121201113 is an equidigital number, since it uses as much as digits as its factorization.

1121121201113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1121121201113 its reverse (3111021211211), we get a palindrome (4232142412324).

The spelling of 1121121201113 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, two hundred one thousand, one hundred thirteen".