111134142330 has 128 divisors (see below), whose sum is σ = 288798213888. Its totient is φ = 27265585152.

The previous prime is 111134142319. The next prime is 111134142337. The reversal of 111134142330 is 33241431111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111134142330.

It is not an unprimeable number, because it can be changed into a prime (111134142337) 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, 7479889 + ... + 7494731.

It is an arithmetic number, because the mean of its divisors is an integer number (2256236046).

Almost surely, 2^111134142330 is an apocalyptic number.

111134142330 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 111134142330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144399106944).

111134142330 is an abundant number, since it is smaller than the sum of its proper divisors (177664071558).

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

111134142330 is a wasteful number, since it uses less digits than its factorization.

111134142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15200.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 111134142330 its reverse (33241431111), we get a palindrome (144375573441).

The spelling of 111134142330 in words is "one hundred eleven billion, one hundred thirty-four million, one hundred forty-two thousand, three hundred thirty".