2103021103 has 4 divisors (see below), whose sum is σ = 2118371760. Its totient is φ = 2087670448.

The previous prime is 2103021073. The next prime is 2103021113. The reversal of 2103021103 is 3011203012.

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 2103021103 - 2⁵ = 2103021071 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 (2103021113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7675123 + ... + 7675396.

It is an arithmetic number, because the mean of its divisors is an integer number (529592940).

Almost surely, 2^2103021103 is an apocalyptic number.

2103021103 is a deficient number, since it is larger than the sum of its proper divisors (15350657).

2103021103 is a wasteful number, since it uses less digits than its factorization.

2103021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15350656.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2103021103 is about 45858.7080389319. The cubic root of 2103021103 is about 1281.1929598783.

Adding to 2103021103 its reverse (3011203012), we get a palindrome (5114224115).

The spelling of 2103021103 in words is "two billion, one hundred three million, twenty-one thousand, one hundred three".