112120211100 has 108 divisors (see below), whose sum is σ = 327653780552. Its totient is φ = 29601888000.

The previous prime is 112120211083. The next prime is 112120211107. The reversal of 112120211100 is 1112021211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120211107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3041982 + ... + 3078618.

Almost surely, 2^112120211100 is an apocalyptic number.

112120211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112120211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163826890276).

112120211100 is an abundant number, since it is smaller than the sum of its proper divisors (215533569452).

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

112120211100 is a wasteful number, since it uses less digits than its factorization.

112120211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36856 (or 36748 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112120211100 its reverse (1112021211), we get a palindrome (113232232311).

The spelling of 112120211100 in words is "one hundred twelve billion, one hundred twenty million, two hundred eleven thousand, one hundred".