112000100001220 has 48 divisors (see below), whose sum is σ = 235891385452800. Its totient is φ = 44668567774080.

The previous prime is 112000100001191. The next prime is 112000100001227. The reversal of 112000100001220 is 22100001000211.

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 = 112000100001197 and 112000100001206.

It is not an unprimeable number, because it can be changed into a prime (112000100001227) 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, 4311801 + ... + 15575359.

It is an arithmetic number, because the mean of its divisors is an integer number (4914403863600).

Almost surely, 2^{112000100001220} is an apocalyptic number.

112000100001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112000100001220 is an abundant number, since it is smaller than the sum of its proper divisors (123891285451580).

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

112000100001220 is a wasteful number, since it uses less digits than its factorization.

112000100001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11265028 (or 11265026 counting only the distinct ones).

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

Adding to 112000100001220 its reverse (22100001000211), we get a palindrome (134100101001431).

The spelling of 112000100001220 in words is "one hundred twelve trillion, one hundred million, one thousand, two hundred twenty".