111133440232100 has 216 divisors, whose sum is σ = 284911125145920. Its totient is φ = 37299068352000.

The previous prime is 111133440232081. The next prime is 111133440232147. The reversal of 111133440232100 is 1232044331111.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 111133440232100.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1795948961 + ... + 1796010839.

Almost surely, 2^{111133440232100} is an apocalyptic number.

111133440232100 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 111133440232100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142455562572960).

111133440232100 is an abundant number, since it is smaller than the sum of its proper divisors (173777684913820).

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

111133440232100 is a wasteful number, since it uses less digits than its factorization.

111133440232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71591 (or 71571 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 111133440232100 its reverse (1232044331111), we get a palindrome (112365484563211).

The spelling of 111133440232100 in words is "one hundred eleven trillion, one hundred thirty-three billion, four hundred forty million, two hundred thirty-two thousand, one hundred".