111301320 has 64 divisors (see below), whose sum is σ = 359593920. Its totient is φ = 27396864.

The previous prime is 111301319. The next prime is 111301321. The reversal of 111301320 is 23103111.

It is an interprime number because it is at equal distance from previous prime (111301319) and next prime (111301321).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 111301296 and 111301305.

It is not an unprimeable number, because it can be changed into a prime (111301321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34114 + ... + 37233.

It is an arithmetic number, because the mean of its divisors is an integer number (5618655).

Almost surely, 2^111301320 is an apocalyptic number.

111301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111301320 is an abundant number, since it is smaller than the sum of its proper divisors (248292600).

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

111301320 is a wasteful number, since it uses less digits than its factorization.

111301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71374 (or 71370 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 111301320 is about 10549.9440756812. The cubic root of 111301320 is about 481.0240290668.

Adding to 111301320 its reverse (23103111), we get a palindrome (134404431).

The spelling of 111301320 in words is "one hundred eleven million, three hundred one thousand, three hundred twenty".