111316420 has 12 divisors (see below), whose sum is σ = 233764524. Its totient is φ = 44526560.

The previous prime is 111316369. The next prime is 111316423. The reversal of 111316420 is 24613111.

It can be written as a sum of positive squares in 2 ways, for example, as 20647936 + 90668484 = 4544^2 + 9522^2 .

It is not an unprimeable number, because it can be changed into a prime (111316423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2782891 + ... + 2782930.

It is an arithmetic number, because the mean of its divisors is an integer number (19480377).

Almost surely, 2^111316420 is an apocalyptic number.

111316420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111316420 is an abundant number, since it is smaller than the sum of its proper divisors (122448104).

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

111316420 is a wasteful number, since it uses less digits than its factorization.

111316420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565830 (or 5565828 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 111316420 is about 10550.6596950143. The cubic root of 111316420 is about 481.0457812329.

Adding to 111316420 its reverse (24613111), we get a palindrome (135929531).

The spelling of 111316420 in words is "one hundred eleven million, three hundred sixteen thousand, four hundred twenty".