11100010203 has 20 divisors (see below), whose sum is σ = 16641391360. Its totient is φ = 7373277072.

The previous prime is 11100010189. The next prime is 11100010279. The reversal of 11100010203 is 30201000111.

It is not a de Polignac number, because 11100010203 - 2⁵ = 11100010171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100010303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 224923 + ... + 269796.

It is an arithmetic number, because the mean of its divisors is an integer number (832069568).

Almost surely, 2^11100010203 is an apocalyptic number.

11100010203 is a deficient number, since it is larger than the sum of its proper divisors (5541381157).

11100010203 is an equidigital number, since it uses as much as digits as its factorization.

11100010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495008 (or 494999 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 11100010203 its reverse (30201000111), we get a palindrome (41301010314).

The spelling of 11100010203 in words is "eleven billion, one hundred million, ten thousand, two hundred three".