10203011103 has 4 divisors (see below), whose sum is σ = 13604014808. Its totient is φ = 6802007400.

The previous prime is 10203011047. The next prime is 10203011107. The reversal of 10203011103 is 30111030201.

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

It is not a de Polignac number, because 10203011103 - 2²² = 10198816799 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 (10203011107) 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, 1700501848 + ... + 1700501853.

It is an arithmetic number, because the mean of its divisors is an integer number (3401003702).

Almost surely, 2^10203011103 is an apocalyptic number.

10203011103 is a deficient number, since it is larger than the sum of its proper divisors (3401003705).

10203011103 is an equidigital number, since it uses as much as digits as its factorization.

10203011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401003704.

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

Adding to 10203011103 its reverse (30111030201), we get a palindrome (40314041304).

The spelling of 10203011103 in words is "ten billion, two hundred three million, eleven thousand, one hundred three".