113220105 has 8 divisors (see below), whose sum is σ = 181152192. Its totient is φ = 60384048.

The previous prime is 113220103. The next prime is 113220127. The reversal of 113220105 is 501022311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113220105 - 2¹ = 113220103 is a prime.

It is a super-2 number, since 2×113220105² = 25637584352422050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 7548007 = 113220105 / (1 + 1 + 3 + 2 + 2 + 0 + 1 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (113220101) 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, 3773989 + ... + 3774018.

It is an arithmetic number, because the mean of its divisors is an integer number (22644024).

Almost surely, 2^113220105 is an apocalyptic number.

113220105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113220105 is a deficient number, since it is larger than the sum of its proper divisors (67932087).

113220105 is an equidigital number, since it uses as much as digits as its factorization.

113220105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7548015.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 113220105 is about 10640.4936445637. The cubic root of 113220105 is about 483.7725079499.

Adding to 113220105 its reverse (501022311), we get a palindrome (614242416).

The spelling of 113220105 in words is "one hundred thirteen million, two hundred twenty thousand, one hundred five".