111442033230 has 128 divisors (see below), whose sum is σ = 313667665920. Its totient is φ = 25049715840.

The previous prime is 111442033229. The next prime is 111442033231. The reversal of 111442033230 is 32330244111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111442033229) and next prime (111442033231).

It is a self number, because there is not a number n which added to its sum of digits gives 111442033230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111442033231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105607 + ... + 483773.

It is an arithmetic number, because the mean of its divisors is an integer number (2450528640).

Almost surely, 2^111442033230 is an apocalyptic number.

111442033230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111442033230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156833832960).

111442033230 is an abundant number, since it is smaller than the sum of its proper divisors (202225632690).

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

111442033230 is a wasteful number, since it uses less digits than its factorization.

111442033230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378254.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 111442033230 its reverse (32330244111), we get a palindrome (143772277341).

The spelling of 111442033230 in words is "one hundred eleven billion, four hundred forty-two million, thirty-three thousand, two hundred thirty".