11103232121100 has 864 divisors, whose sum is σ = 43774718238720. Its totient is φ = 2403717120000.

The previous prime is 11103232121041. The next prime is 11103232121101. The reversal of 11103232121100 is 112123230111.

11103232121100 is a `hidden beast` number, since 1 + 110 + 323 + 21 + 211 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11103232121101) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 192732300 + ... + 192789900.

Almost surely, 2^{11103232121100} is an apocalyptic number.

11103232121100 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 11103232121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21887359119360).

11103232121100 is an abundant number, since it is smaller than the sum of its proper divisors (32671486117620).

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

11103232121100 is a wasteful number, since it uses less digits than its factorization.

11103232121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57716 (or 57696 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11103232121100 its reverse (112123230111), we get a palindrome (11215355351211).

The spelling of 11103232121100 in words is "eleven trillion, one hundred three billion, two hundred thirty-two million, one hundred twenty-one thousand, one hundred".