1121101309 has 2 divisors, whose sum is σ = 1121101310. Its totient is φ = 1121101308.

The previous prime is 1121101307. The next prime is 1121101357. The reversal of 1121101309 is 9031011211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 857201284 + 263900025 = 29278^2 + 16245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121101309 - 2¹ = 1121101307 is a prime.

Together with 1121101307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121101307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560550654 + 560550655.

It is an arithmetic number, because the mean of its divisors is an integer number (560550655).

Almost surely, 2^1121101309 is an apocalyptic number.

It is an amenable number.

1121101309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121101309 is an equidigital number, since it uses as much as digits as its factorization.

1121101309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1121101309 is about 33482.8509688169. The cubic root of 1121101309 is about 1038.8390981762.

The spelling of 1121101309 in words is "one billion, one hundred twenty-one million, one hundred one thousand, three hundred nine".