2021344101 has 12 divisors (see below), whose sum is σ = 3336822112. Its totient is φ = 1155053736.

The previous prime is 2021344099. The next prime is 2021344147. The reversal of 2021344101 is 1014431202.

It is not a de Polignac number, because 2021344101 - 2¹ = 2021344099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021344901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 16042351 + ... + 16042476.

Almost surely, 2^2021344101 is an apocalyptic number.

2021344101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2021344101 is a deficient number, since it is larger than the sum of its proper divisors (1315478011).

2021344101 is a wasteful number, since it uses less digits than its factorization.

2021344101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32084840 (or 32084837 counting only the distinct ones).

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

The square root of 2021344101 is about 44959.3605492783. The cubic root of 2021344101 is about 1264.3871801413.

Adding to 2021344101 its reverse (1014431202), we get a palindrome (3035775303).

The spelling of 2021344101 in words is "two billion, twenty-one million, three hundred forty-four thousand, one hundred one".