112200011220 has 144 divisors (see below), whose sum is σ = 365629529664. Its totient is φ = 25599974400.

The previous prime is 112200011213. The next prime is 112200011227. The reversal of 112200011220 is 22110002211.

It is an interprime number because it is at equal distance from previous prime (112200011213) and next prime (112200011227).

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 = 112200011196 and 112200011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200011227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331126 + ... + 577965.

It is an arithmetic number, because the mean of its divisors is an integer number (2539093956).

Almost surely, 2^112200011220 is an apocalyptic number.

112200011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112200011220 is an abundant number, since it is smaller than the sum of its proper divisors (253429518444).

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

112200011220 is a wasteful number, since it uses less digits than its factorization.

112200011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909142 (or 909129 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112200011220 its reverse (22110002211), we get a palindrome (134310013431).

Subtracting from 112200011220 its reverse (22110002211), we obtain a palindrome (90090009009).

It can be divided in two parts, 1122000 and 11220, that multiplied together give a square (12588840000 = 112200²).

The spelling of 112200011220 in words is "one hundred twelve billion, two hundred million, eleven thousand, two hundred twenty".