1120112220 has 48 divisors (see below), whose sum is σ = 3167383968. Its totient is φ = 295737600.

The previous prime is 1120112207. The next prime is 1120112221. The reversal of 1120112220 is 222110211.

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 = 1120112196 and 1120112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120112221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86359 + ... + 98478.

It is an arithmetic number, because the mean of its divisors is an integer number (65987166).

Almost surely, 2^1120112220 is an apocalyptic number.

1120112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120112220 is an abundant number, since it is smaller than the sum of its proper divisors (2047271748).

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

1120112220 is a wasteful number, since it uses less digits than its factorization.

1120112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184950 (or 184948 counting only the distinct ones).

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

The square root of 1120112220 is about 33468.0776262994. The cubic root of 1120112220 is about 1038.5335038362.

Adding to 1120112220 its reverse (222110211), we get a palindrome (1342222431).

The spelling of 1120112220 in words is "one billion, one hundred twenty million, one hundred twelve thousand, two hundred twenty".