1101355103 has 4 divisors (see below), whose sum is σ = 1103058000. Its totient is φ = 1099652208.

The previous prime is 1101355093. The next prime is 1101355139. The reversal of 1101355103 is 3015531011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1101355103 - 2⁶ = 1101355039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101355163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850478 + ... + 851771.

It is an arithmetic number, because the mean of its divisors is an integer number (275764500).

Almost surely, 2^1101355103 is an apocalyptic number.

1101355103 is a deficient number, since it is larger than the sum of its proper divisors (1702897).

1101355103 is an equidigital number, since it uses as much as digits as its factorization.

1101355103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702896.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 1101355103 is about 33186.6705621399. The cubic root of 1101355103 is about 1032.7038342006.

Adding to 1101355103 its reverse (3015531011), we get a palindrome (4116886114).

The spelling of 1101355103 in words is "one billion, one hundred one million, three hundred fifty-five thousand, one hundred three".