2100011144 has 96 divisors (see below), whose sum is σ = 5067619200. Its totient is φ = 798124800.

The previous prime is 2100011143. The next prime is 2100011149. The reversal of 2100011144 is 4411100012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100011141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274037 + ... + 281595.

It is an arithmetic number, because the mean of its divisors is an integer number (52787700).

Almost surely, 2^2100011144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100011144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533809600).

2100011144 is an abundant number, since it is smaller than the sum of its proper divisors (2967608056).

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

2100011144 is a wasteful number, since it uses less digits than its factorization.

2100011144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635 (or 7620 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2100011144 is about 45825.8785404055. The cubic root of 2100011144 is about 1280.5814301857.

Adding to 2100011144 its reverse (4411100012), we get a palindrome (6511111156).

The spelling of 2100011144 in words is "two billion, one hundred million, eleven thousand, one hundred forty-four".