2111203100203 has 16 divisors (see below), whose sum is σ = 2313433025280. Its totient is φ = 1917974016000.

The previous prime is 2111203100189. The next prime is 2111203100207. The reversal of 2111203100203 is 3020013021112.

It is a cyclic number.

It is not a de Polignac number, because 2111203100203 - 2¹⁷ = 2111202969131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111203100207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4944198 + ... + 5354203.

It is an arithmetic number, because the mean of its divisors is an integer number (144589564080).

Almost surely, 2^{2111203100203} is an apocalyptic number.

2111203100203 is a deficient number, since it is larger than the sum of its proper divisors (202229925077).

2111203100203 is a wasteful number, since it uses less digits than its factorization.

2111203100203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10298838.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2111203100203 its reverse (3020013021112), we get a palindrome (5131216121315).

The spelling of 2111203100203 in words is "two trillion, one hundred eleven billion, two hundred three million, one hundred thousand, two hundred three".