11132231100 has 144 divisors (see below), whose sum is σ = 33956160000. Its totient is φ = 2808069120.

The previous prime is 11132231087. The next prime is 11132231113. The reversal of 11132231100 is 113223111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11132231087) and next prime (11132231113).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11132231100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5567901 + ... + 5569899.

Almost surely, 2^11132231100 is an apocalyptic number.

11132231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11132231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16978080000).

11132231100 is an abundant number, since it is smaller than the sum of its proper divisors (22823928900).

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

11132231100 is a wasteful number, since it uses less digits than its factorization.

11132231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012 (or 3005 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11132231100 its reverse (113223111), we get a palindrome (11245454211).

The spelling of 11132231100 in words is "eleven billion, one hundred thirty-two million, two hundred thirty-one thousand, one hundred".