11113123100 has 18 divisors (see below), whose sum is σ = 24115477344. Its totient is φ = 4445249200.

The previous prime is 11113123093. The next prime is 11113123117. The reversal of 11113123100 is 132131111.

It is a happy number.

It is a super-2 number, since 2×11113123100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55565516 + ... + 55565715.

Almost surely, 2^11113123100 is an apocalyptic number.

11113123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113123100 is an abundant number, since it is smaller than the sum of its proper divisors (13002354244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11113123100 is a wasteful number, since it uses less digits than its factorization.

11113123100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111131245 (or 111131238 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11113123100 its reverse (132131111), we get a palindrome (11245254211).

The spelling of 11113123100 in words is "eleven billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred".