113220111 has 8 divisors (see below), whose sum is σ = 155040304. Its totient is φ = 73440000.

The previous prime is 113220103. The next prime is 113220127. The reversal of 113220111 is 111022311.

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

It is not a de Polignac number, because 113220111 - 2³ = 113220103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509890 + ... + 510111.

It is an arithmetic number, because the mean of its divisors is an integer number (19380038).

Almost surely, 2^113220111 is an apocalyptic number.

113220111 is a deficient number, since it is larger than the sum of its proper divisors (41820193).

113220111 is a wasteful number, since it uses less digits than its factorization.

113220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020041.

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

The square root of 113220111 is about 10640.4939265055. The cubic root of 113220111 is about 483.7725164956.

Adding to 113220111 its reverse (111022311), we get a palindrome (224242422).

The spelling of 113220111 in words is "one hundred thirteen million, two hundred twenty thousand, one hundred eleven".