111211342224 has 80 divisors (see below), whose sum is σ = 295268244480. Its totient is φ = 36043176960.

The previous prime is 111211342223. The next prime is 111211342247. The reversal of 111211342224 is 422243112111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111211342194 and 111211342203.

It is not an unprimeable number, because it can be changed into a prime (111211342223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2591212 + ... + 2633780.

It is an arithmetic number, because the mean of its divisors is an integer number (3690853056).

Almost surely, 2^111211342224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111211342224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147634122240).

111211342224 is an abundant number, since it is smaller than the sum of its proper divisors (184056902256).

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

111211342224 is a wasteful number, since it uses less digits than its factorization.

111211342224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44088 (or 44082 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 111211342224 its reverse (422243112111), we get a palindrome (533454454335).

The spelling of 111211342224 in words is "one hundred eleven billion, two hundred eleven million, three hundred forty-two thousand, two hundred twenty-four".