2101201344 has 112 divisors (see below), whose sum is σ = 6738762240. Its totient is φ = 636721920.

The previous prime is 2101201337. The next prime is 2101201379. The reversal of 2101201344 is 4431021012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36264 + ... + 74279.

It is an arithmetic number, because the mean of its divisors is an integer number (60167520).

Almost surely, 2^2101201344 is an apocalyptic number.

2101201344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2101201344 is an abundant number, since it is smaller than the sum of its proper divisors (4637560896).

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

2101201344 is a wasteful number, since it uses less digits than its factorization.

2101201344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110575 (or 110559 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2101201344 is about 45838.8628131196. The cubic root of 2101201344 is about 1280.8233114684.

Adding to 2101201344 its reverse (4431021012), we get a palindrome (6532222356).

The spelling of 2101201344 in words is "two billion, one hundred one million, two hundred one thousand, three hundred forty-four".