2101342044 has 12 divisors (see below), whose sum is σ = 4903131464. Its totient is φ = 700447344.

The previous prime is 2101341973. The next prime is 2101342063. The reversal of 2101342044 is 4402431012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2101342044.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87555907 + ... + 87555930.

Almost surely, 2^2101342044 is an apocalyptic number.

It is an amenable number.

2101342044 is an abundant number, since it is smaller than the sum of its proper divisors (2801789420).

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

2101342044 is a wasteful number, since it uses less digits than its factorization.

2101342044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175111844 (or 175111842 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2101342044 is about 45840.3975113655. The cubic root of 2101342044 is about 1280.8518995296.

Adding to 2101342044 its reverse (4402431012), we get a palindrome (6503773056).

The spelling of 2101342044 in words is "two billion, one hundred one million, three hundred forty-two thousand, forty-four".