11131102100 has 36 divisors (see below), whose sum is σ = 24163286784. Its totient is φ = 4450819680.

The previous prime is 11131102097. The next prime is 11131102109. The reversal of 11131102100 is 120113111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131102109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 277517 + ... + 315083.

Almost surely, 2^11131102100 is an apocalyptic number.

11131102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131102100 is an abundant number, since it is smaller than the sum of its proper divisors (13032184684).

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

11131102100 is a wasteful number, since it uses less digits than its factorization.

11131102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40544 (or 40537 counting only the distinct ones).

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

Adding to 11131102100 its reverse (120113111), we get a palindrome (11251215211).

The spelling of 11131102100 in words is "eleven billion, one hundred thirty-one million, one hundred two thousand, one hundred".