1101020103 has 12 divisors (see below), whose sum is σ = 1593025200. Its totient is φ = 732784416.

The previous prime is 1101020071. The next prime is 1101020111. The reversal of 1101020103 is 3010201011.

It is not a de Polignac number, because 1101020103 - 2⁵ = 1101020071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101020183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96726 + ... + 107507.

It is an arithmetic number, because the mean of its divisors is an integer number (132752100).

Almost surely, 2^1101020103 is an apocalyptic number.

1101020103 is a deficient number, since it is larger than the sum of its proper divisors (492005097).

1101020103 is a wasteful number, since it uses less digits than its factorization.

1101020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204838 (or 204835 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1101020103 is about 33181.6229711568. The cubic root of 1101020103 is about 1032.5991174851.

Adding to 1101020103 its reverse (3010201011), we get a palindrome (4111221114).

It can be divided in two parts, 11010 and 20103, that added together give a palindrome (31113).

The spelling of 1101020103 in words is "one billion, one hundred one million, twenty thousand, one hundred three".