112111021200 has 240 divisors, whose sum is σ = 375095367360. Its totient is φ = 28594575360.

The previous prime is 112111021147. The next prime is 112111021241. The reversal of 112111021200 is 2120111211.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2598202 + ... + 2640998.

It is an arithmetic number, because the mean of its divisors is an integer number (1562897364).

Almost surely, 2^112111021200 is an apocalyptic number.

112111021200 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 112111021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187547683680).

112111021200 is an abundant number, since it is smaller than the sum of its proper divisors (262984346160).

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

112111021200 is a wasteful number, since it uses less digits than its factorization.

112111021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42914 (or 42903 counting only the distinct ones).

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

Adding to 112111021200 its reverse (2120111211), we get a palindrome (114231132411).

The spelling of 112111021200 in words is "one hundred twelve billion, one hundred eleven million, twenty-one thousand, two hundred".