2124110121100 has 108 divisors (see below), whose sum is σ = 5111280560232. Its totient is φ = 765567756800.

The previous prime is 2124110121059. The next prime is 2124110121109. The reversal of 2124110121100 is 11210114212.

It is not an unprimeable number, because it can be changed into a prime (2124110121109) 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, 590547 + ... + 2144053.

It is an arithmetic number, because the mean of its divisors is an integer number (47326671854).

Almost surely, 2^{2124110121100} is an apocalyptic number.

2124110121100 is a gapful number since it is divisible by the number (20) 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 2124110121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555640280116).

2124110121100 is an abundant number, since it is smaller than the sum of its proper divisors (2987170439132).

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

2124110121100 is a wasteful number, since it uses less digits than its factorization.

2124110121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553656 (or 1553638 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2124110121100 its reverse (11210114212), we get a palindrome (2135320235312).

The spelling of 2124110121100 in words is "two trillion, one hundred twenty-four billion, one hundred ten million, one hundred twenty-one thousand, one hundred".