11100421203 has 16 divisors (see below), whose sum is σ = 14893977600. Its totient is φ = 7353704960.

The previous prime is 11100421187. The next prime is 11100421249. The reversal of 11100421203 is 30212400111.

It is not a de Polignac number, because 11100421203 - 2⁴ = 11100421187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100421403) 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, 327283 + ... + 359603.

It is an arithmetic number, because the mean of its divisors is an integer number (930873600).

Almost surely, 2^11100421203 is an apocalyptic number.

11100421203 is a deficient number, since it is larger than the sum of its proper divisors (3793556397).

11100421203 is a wasteful number, since it uses less digits than its factorization.

11100421203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33042.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11100421203 its reverse (30212400111), we get a palindrome (41312821314).

The spelling of 11100421203 in words is "eleven billion, one hundred million, four hundred twenty-one thousand, two hundred three".