111214420 has 24 divisors (see below), whose sum is σ = 241605000. Its totient is φ = 42951552.

The previous prime is 111214417. The next prime is 111214421. The reversal of 111214420 is 24412111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80656 + 111133764 = 284^2 + 10542^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111214394 and 111214403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111214421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95295 + ... + 96454.

It is an arithmetic number, because the mean of its divisors is an integer number (10066875).

Almost surely, 2^111214420 is an apocalyptic number.

111214420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111214420 is an abundant number, since it is smaller than the sum of its proper divisors (130390580).

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

111214420 is a wasteful number, since it uses less digits than its factorization.

111214420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191787 (or 191785 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 111214420 is about 10545.8247662286. The cubic root of 111214420 is about 480.8988078154.

Adding to 111214420 its reverse (24412111), we get a palindrome (135626531).

The spelling of 111214420 in words is "one hundred eleven million, two hundred fourteen thousand, four hundred twenty".