11000020100203 has 4 divisors (see below), whose sum is σ = 11007387831168. Its totient is φ = 10992652369240.

The previous prime is 11000020100197. The next prime is 11000020100299. The reversal of 11000020100203 is 30200102000011.

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

It is a cyclic number.

It is not a de Polignac number, because 11000020100203 - 2²⁵ = 10999986545771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11000020100203.

It is not an unprimeable number, because it can be changed into a prime (11000030100203) 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, 3683863243 + ... + 3683866228.

It is an arithmetic number, because the mean of its divisors is an integer number (2751846957792).

Almost surely, 2^{11000020100203} is an apocalyptic number.

11000020100203 is a deficient number, since it is larger than the sum of its proper divisors (7367730965).

11000020100203 is an equidigital number, since it uses as much as digits as its factorization.

11000020100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367730964.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 11000020100203 its reverse (30200102000011), we get a palindrome (41200122100214).

The spelling of 11000020100203 in words is "eleven trillion, twenty million, one hundred thousand, two hundred three".