112100002001000 has 128 divisors (see below), whose sum is σ = 282520798560000. Its totient is φ = 41386551148800.

The previous prime is 112100002000999. The next prime is 112100002001027. The reversal of 112100002001000 is 100200001211.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128564501 + ... + 129433499.

It is an arithmetic number, because the mean of its divisors is an integer number (2207193738750).

Almost surely, 2^{112100002001000} is an apocalyptic number.

112100002001000 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 112100002001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141260399280000).

112100002001000 is an abundant number, since it is smaller than the sum of its proper divisors (170420796559000).

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

112100002001000 is a wasteful number, since it uses less digits than its factorization.

112100002001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878956 (or 878942 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 112100002001000 its reverse (100200001211), we get a palindrome (112200202002211).

The spelling of 112100002001000 in words is "one hundred twelve trillion, one hundred billion, two million, one thousand".