11100123203 has 8 divisors (see below), whose sum is σ = 11955621888. Its totient is φ = 10244859264.

The previous prime is 11100123161. The next prime is 11100123239. The reversal of 11100123203 is 30232100111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11100123203 - 2⁸ = 11100122947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100123263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46526 + ... + 156092.

It is an arithmetic number, because the mean of its divisors is an integer number (1494452736).

Almost surely, 2^11100123203 is an apocalyptic number.

11100123203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11100123203 is a deficient number, since it is larger than the sum of its proper divisors (855498685).

11100123203 is a wasteful number, since it uses less digits than its factorization.

11100123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117373.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11100123203 its reverse (30232100111), we get a palindrome (41332223314).

The spelling of 11100123203 in words is "eleven billion, one hundred million, one hundred twenty-three thousand, two hundred three".