11315121100 has 18 divisors (see below), whose sum is σ = 24553813004. Its totient is φ = 4526048400.

The previous prime is 11315121049. The next prime is 11315121109. The reversal of 11315121100 is 112151311.

It is a happy number.

11315121100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11315121109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56575506 + ... + 56575705.

Almost surely, 2^11315121100 is an apocalyptic number.

11315121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11315121100 is an abundant number, since it is smaller than the sum of its proper divisors (13238691904).

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

11315121100 is a wasteful number, since it uses less digits than its factorization.

11315121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113151225 (or 113151218 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 11315121100 its reverse (112151311), we get a palindrome (11427272411).

The spelling of 11315121100 in words is "eleven billion, three hundred fifteen million, one hundred twenty-one thousand, one hundred".