1101103049 has 2 divisors, whose sum is σ = 1101103050. Its totient is φ = 1101103048.

The previous prime is 1101103007. The next prime is 1101103051. The reversal of 1101103049 is 9403011011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 666672400 + 434430649 = 25820^2 + 20843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101103049 - 2²⁴ = 1084325833 is a prime.

It is a Sophie Germain prime.

Together with 1101103051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1101103049.

It is not a weakly prime, because it can be changed into another prime (1101103099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550551524 + 550551525.

It is an arithmetic number, because the mean of its divisors is an integer number (550551525).

Almost surely, 2^1101103049 is an apocalyptic number.

It is an amenable number.

1101103049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101103049 is an equidigital number, since it uses as much as digits as its factorization.

1101103049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1101103049 is about 33182.8728262036. The cubic root of 1101103049 is about 1032.6250473221.

The spelling of 1101103049 in words is "one billion, one hundred one million, one hundred three thousand, forty-nine".