103211103 has 4 divisors (see below), whose sum is σ = 137614808. Its totient is φ = 68807400.

The previous prime is 103211089. The next prime is 103211113. The reversal of 103211103 is 301112301.

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

It is not a de Polignac number, because 103211103 - 2⁵ = 103211071 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 (103211113) 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, 17201848 + ... + 17201853.

It is an arithmetic number, because the mean of its divisors is an integer number (34403702).

Almost surely, 2^103211103 is an apocalyptic number.

103211103 is a deficient number, since it is larger than the sum of its proper divisors (34403705).

103211103 is an equidigital number, since it uses as much as digits as its factorization.

103211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34403704.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 103211103 is about 10159.2865399102. The cubic root of 103211103 is about 469.0748407199.

Adding to 103211103 its reverse (301112301), we get a palindrome (404323404).

The spelling of 103211103 in words is "one hundred three million, two hundred eleven thousand, one hundred three".