2111002203 has 4 divisors (see below), whose sum is σ = 2814669608. Its totient is φ = 1407334800.

The previous prime is 2111002193. The next prime is 2111002253. The reversal of 2111002203 is 3022001112.

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

It is not a de Polignac number, because 2111002203 - 2⁵ = 2111002171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111002253) 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, 351833698 + ... + 351833703.

It is an arithmetic number, because the mean of its divisors is an integer number (703667402).

Almost surely, 2^2111002203 is an apocalyptic number.

2111002203 is a deficient number, since it is larger than the sum of its proper divisors (703667405).

2111002203 is an equidigital number, since it uses as much as digits as its factorization.

2111002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703667404.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2111002203 is about 45945.6440046279. The cubic root of 2111002203 is about 1282.8116504153.

Adding to 2111002203 its reverse (3022001112), we get a palindrome (5133003315).

The spelling of 2111002203 in words is "two billion, one hundred eleven million, two thousand, two hundred three".