11131120100 has 36 divisors (see below), whose sum is σ = 24165120000. Its totient is φ = 4450496160.

The previous prime is 11131120097. The next prime is 11131120111. The reversal of 11131120100 is 102113111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216701 + ... + 263099.

Almost surely, 2^11131120100 is an apocalyptic number.

11131120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131120100 is an abundant number, since it is smaller than the sum of its proper divisors (13033999900).

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

11131120100 is a wasteful number, since it uses less digits than its factorization.

11131120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48812 (or 48805 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11131120100 its reverse (102113111), we get a palindrome (11233233211).

The spelling of 11131120100 in words is "eleven billion, one hundred thirty-one million, one hundred twenty thousand, one hundred".