11010203000203 has 16 divisors (see below), whose sum is σ = 12238028128512. Its totient is φ = 9821530404000.

The previous prime is 11010203000201. The next prime is 11010203000309. The reversal of 11010203000203 is 30200030201011.

It is a cyclic number.

It is not a de Polignac number, because 11010203000203 - 2¹ = 11010203000201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11010203000201) 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, 33241776 + ... + 33571357.

It is an arithmetic number, because the mean of its divisors is an integer number (764876758032).

Almost surely, 2^{11010203000203} is an apocalyptic number.

11010203000203 is a deficient number, since it is larger than the sum of its proper divisors (1227825128309).

11010203000203 is a wasteful number, since it uses less digits than its factorization.

11010203000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66813426.

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

Adding to 11010203000203 its reverse (30200030201011), we get a palindrome (41210233201214).

The spelling of 11010203000203 in words is "eleven trillion, ten billion, two hundred three million, two hundred three", and thus it is an aban number.