11112220233234 has 80 divisors (see below), whose sum is σ = 26231307537600. Its totient is φ = 3506284177056.

The previous prime is 11112220233221. The next prime is 11112220233313. The reversal of 11112220233234 is 43233202221111.

11112220233234 is a `hidden beast` number, since 1 + 1 + 1 + 122 + 202 + 332 + 3 + 4 = 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 = 11112220233198 and 11112220233207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2348227 + ... + 5266745.

It is an arithmetic number, because the mean of its divisors is an integer number (327891344220).

Almost surely, 2^{11112220233234} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112220233234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13115653768800).

11112220233234 is an abundant number, since it is smaller than the sum of its proper divisors (15119087304366).

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

11112220233234 is a wasteful number, since it uses less digits than its factorization.

11112220233234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919789 (or 2919780 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 11112220233234 its reverse (43233202221111), we get a palindrome (54345422454345).

The spelling of 11112220233234 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, two hundred thirty-three thousand, two hundred thirty-four".