1121113141 has 2 divisors, whose sum is σ = 1121113142. Its totient is φ = 1121113140.

The previous prime is 1121113111. The next prime is 1121113193. The reversal of 1121113141 is 1413111211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110289041 + 10824100 = 33321^2 + 3290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121113141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121113111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560556570 + 560556571.

It is an arithmetic number, because the mean of its divisors is an integer number (560556571).

Almost surely, 2^1121113141 is an apocalyptic number.

It is an amenable number.

1121113141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121113141 is an equidigital number, since it uses as much as digits as its factorization.

1121113141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24, while the sum is 16.

The square root of 1121113141 is about 33483.0276558139. The cubic root of 1121113141 is about 1038.8427527674.

Adding to 1121113141 its reverse (1413111211), we get a palindrome (2534224352).

The spelling of 1121113141 in words is "one billion, one hundred twenty-one million, one hundred thirteen thousand, one hundred forty-one".