111223230032100 has 144 divisors (see below), whose sum is σ = 330036821291520. Its totient is φ = 28902592435200.

The previous prime is 111223230032069. The next prime is 111223230032149. The reversal of 111223230032100 is 1230032322111.

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, 5375886 + ... + 15853914.

It is an arithmetic number, because the mean of its divisors is an integer number (2291922370080).

Almost surely, 2^{111223230032100} is an apocalyptic number.

111223230032100 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 111223230032100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165018410645760).

111223230032100 is an abundant number, since it is smaller than the sum of its proper divisors (218813591259420).

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

111223230032100 is a wasteful number, since it uses less digits than its factorization.

111223230032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10478950 (or 10478943 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111223230032100 its reverse (1230032322111), we get a palindrome (112453262354211).

The spelling of 111223230032100 in words is "one hundred eleven trillion, two hundred twenty-three billion, two hundred thirty million, thirty-two thousand, one hundred".