2101042344 has 64 divisors (see below), whose sum is σ = 5719752000. Its totient is φ = 640604160.

The previous prime is 2101042331. The next prime is 2101042351. The reversal of 2101042344 is 4432401012.

It is a self number, because there is not a number n which added to its sum of digits gives 2101042344.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66217 + ... + 92664.

It is an arithmetic number, because the mean of its divisors is an integer number (89371125).

Almost surely, 2^2101042344 is an apocalyptic number.

2101042344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2101042344 is an abundant number, since it is smaller than the sum of its proper divisors (3618709656).

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

2101042344 is a wasteful number, since it uses less digits than its factorization.

2101042344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158938 (or 158934 counting only the distinct ones).

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

The square root of 2101042344 is about 45837.1284440900. The cubic root of 2101042344 is about 1280.7910035946.

Adding to 2101042344 its reverse (4432401012), we get a palindrome (6533443356).

The spelling of 2101042344 in words is "two billion, one hundred one million, forty-two thousand, three hundred forty-four".