1121100313 has 2 divisors, whose sum is σ = 1121100314. Its totient is φ = 1121100312.

The previous prime is 1121100289. The next prime is 1121100317. The reversal of 1121100313 is 3130011211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1035037584 + 86062729 = 32172^2 + 9277^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121100313 - 2⁹ = 1121099801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121100293 and 1121100302.

It is not a weakly prime, because it can be changed into another prime (1121100317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560550156 + 560550157.

It is an arithmetic number, because the mean of its divisors is an integer number (560550157).

Almost surely, 2^1121100313 is an apocalyptic number.

It is an amenable number.

1121100313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121100313 is an equidigital number, since it uses as much as digits as its factorization.

1121100313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1121100313 is about 33482.8360955281. The cubic root of 1121100313 is about 1038.8387905371.

Adding to 1121100313 its reverse (3130011211), we get a palindrome (4251111524).

The spelling of 1121100313 in words is "one billion, one hundred twenty-one million, one hundred thousand, three hundred thirteen".