112011220 has 12 divisors (see below), whose sum is σ = 235223604. Its totient is φ = 44804480.

The previous prime is 112011191. The next prime is 112011227. The reversal of 112011220 is 22110211.

It can be written as a sum of positive squares in 2 ways, for example, as 35378704 + 76632516 = 5948^2 + 8754^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 112011197 and 112011206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112011227) 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, 2800261 + ... + 2800300.

It is an arithmetic number, because the mean of its divisors is an integer number (19601967).

Almost surely, 2^112011220 is an apocalyptic number.

112011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112011220 is an abundant number, since it is smaller than the sum of its proper divisors (123212384).

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

112011220 is a wasteful number, since it uses less digits than its factorization.

112011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600570 (or 5600568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 112011220 is about 10583.5353261564. The cubic root of 112011220 is about 482.0445486048.

Adding to 112011220 its reverse (22110211), we get a palindrome (134121431).

It can be divided in two parts, 11201 and 1220, that added together give a palindrome (12421).

The spelling of 112011220 in words is "one hundred twelve million, eleven thousand, two hundred twenty".