2111030203 has 4 divisors (see below), whose sum is σ = 2118543048. Its totient is φ = 2103517360.

The previous prime is 2111030197. The next prime is 2111030221. The reversal of 2111030203 is 3020301112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111030203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111030503) 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, 3756001 + ... + 3756562.

It is an arithmetic number, because the mean of its divisors is an integer number (529635762).

Almost surely, 2^2111030203 is an apocalyptic number.

2111030203 is a deficient number, since it is larger than the sum of its proper divisors (7512845).

2111030203 is an equidigital number, since it uses as much as digits as its factorization.

2111030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7512844.

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

The square root of 2111030203 is about 45945.9487115023. The cubic root of 2111030203 is about 1282.8173220606.

Adding to 2111030203 its reverse (3020301112), we get a palindrome (5131331315).

The spelling of 2111030203 in words is "two billion, one hundred eleven million, thirty thousand, two hundred three".