1121131016 has 16 divisors (see below), whose sum is σ = 2102520300. Its totient is φ = 560458944.

The previous prime is 1121131013. The next prime is 1121131057. The reversal of 1121131016 is 6101311211.

It can be written as a sum of positive squares in 2 ways, for example, as 1085966116 + 35164900 = 32954^2 + 5930^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1121130985 and 1121131003.

It is not an unprimeable number, because it can be changed into a prime (1121131013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47990 + ... + 67418.

Almost surely, 2^1121131016 is an apocalyptic number.

It is an amenable number.

1121131016 is a deficient number, since it is larger than the sum of its proper divisors (981389284).

1121131016 is a wasteful number, since it uses less digits than its factorization.

1121131016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26648 (or 26644 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1121131016 is about 33483.2945810295. The cubic root of 1121131016 is about 1038.8482738324.

Adding to 1121131016 its reverse (6101311211), we get a palindrome (7222442227).

The spelling of 1121131016 in words is "one billion, one hundred twenty-one million, one hundred thirty-one thousand, sixteen".