2021353103 has 8 divisors (see below), whose sum is σ = 2520128640. Its totient is φ = 1575080280.

The previous prime is 2021353093. The next prime is 2021353123. The reversal of 2021353103 is 3013531202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2021353103 - 2²⁰ = 2020304527 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 (2021353123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13125593 + ... + 13125746.

It is an arithmetic number, because the mean of its divisors is an integer number (315016080).

Almost surely, 2^2021353103 is an apocalyptic number.

2021353103 is a deficient number, since it is larger than the sum of its proper divisors (498775537).

2021353103 is a wasteful number, since it uses less digits than its factorization.

2021353103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26251357.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2021353103 is about 44959.4606618006. The cubic root of 2021353103 is about 1264.3890571096.

Adding to 2021353103 its reverse (3013531202), we get a palindrome (5034884305).

The spelling of 2021353103 in words is "two billion, twenty-one million, three hundred fifty-three thousand, one hundred three".