111222340434 has 80 divisors (see below), whose sum is σ = 252642075840. Its totient is φ = 36566601120.

The previous prime is 111222340409. The next prime is 111222340561. The reversal of 111222340434 is 434043222111.

111222340434 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 223 + 4 + 0 + 434 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 111222340398 and 111222340407.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8477872 + ... + 8490980.

It is an arithmetic number, because the mean of its divisors is an integer number (3158025948).

Almost surely, 2^111222340434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111222340434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126321037920).

111222340434 is an abundant number, since it is smaller than the sum of its proper divisors (141419735406).

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

111222340434 is a wasteful number, since it uses less digits than its factorization.

111222340434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837 (or 13828 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 111222340434 its reverse (434043222111), we get a palindrome (545265562545).

The spelling of 111222340434 in words is "one hundred eleven billion, two hundred twenty-two million, three hundred forty thousand, four hundred thirty-four".