111421476 has 72 divisors (see below), whose sum is σ = 299557440. Its totient is φ = 34841664.

The previous prime is 111421447. The next prime is 111421511. The reversal of 111421476 is 674124111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42615 + ... + 45153.

It is an arithmetic number, because the mean of its divisors is an integer number (4160520).

Almost surely, 2^111421476 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 111421476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149778720).

111421476 is an abundant number, since it is smaller than the sum of its proper divisors (188135964).

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

111421476 is a wasteful number, since it uses less digits than its factorization.

111421476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2620 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 111421476 is about 10555.6371669360. The cubic root of 111421476 is about 481.1970642624.

Adding to 111421476 its reverse (674124111), we get a palindrome (785545587).

The spelling of 111421476 in words is "one hundred eleven million, four hundred twenty-one thousand, four hundred seventy-six".