2021040103 has 8 divisors (see below), whose sum is σ = 2059724160. Its totient is φ = 1982503800.

The previous prime is 2021040083. The next prime is 2021040163. The reversal of 2021040103 is 3010401202.

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 2021040103 - 2¹³ = 2021031911 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 (2021040163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9123 + ... + 64228.

It is an arithmetic number, because the mean of its divisors is an integer number (257465520).

Almost surely, 2^2021040103 is an apocalyptic number.

2021040103 is a deficient number, since it is larger than the sum of its proper divisors (38684057).

2021040103 is an equidigital number, since it uses as much as digits as its factorization.

2021040103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73877.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2021040103 is about 44955.9796133951. The cubic root of 2021040103 is about 1264.3237915534.

Adding to 2021040103 its reverse (3010401202), we get a palindrome (5031441305).

The spelling of 2021040103 in words is "two billion, twenty-one million, forty thousand, one hundred three".