1020911103 has 6 divisors (see below), whose sum is σ = 1474649384. Its totient is φ = 680607396.

The previous prime is 1020911077. The next prime is 1020911119. The reversal of 1020911103 is 3011190201.

It is a de Polignac number, because none of the positive numbers 2^k-1020911103 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 (1020911123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56717275 + ... + 56717292.

Almost surely, 2^1020911103 is an apocalyptic number.

1020911103 is a deficient number, since it is larger than the sum of its proper divisors (453738281).

1020911103 is a wasteful number, since it uses less digits than its factorization.

1020911103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113434573 (or 113434570 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1020911103 is about 31951.6995322628. The cubic root of 1020911103 is about 1006.9223383288.

It can be divided in two parts, 10209 and 11103, that added together give a palindrome (21312).

The spelling of 1020911103 in words is "one billion, twenty million, nine hundred eleven thousand, one hundred three".