2042021103 has 4 divisors (see below), whose sum is σ = 2722694808. Its totient is φ = 1361347400.

The previous prime is 2042021053. The next prime is 2042021123. The reversal of 2042021103 is 3011202402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2042021103 - 2¹³ = 2042012911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042021123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340336848 + ... + 340336853.

It is an arithmetic number, because the mean of its divisors is an integer number (680673702).

Almost surely, 2^2042021103 is an apocalyptic number.

2042021103 is a deficient number, since it is larger than the sum of its proper divisors (680673705).

2042021103 is an equidigital number, since it uses as much as digits as its factorization.

2042021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680673704.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2042021103 is about 45188.7276098808. The cubic root of 2042021103 is about 1268.6838418009.

Adding to 2042021103 its reverse (3011202402), we get a palindrome (5053223505).

The spelling of 2042021103 in words is "two billion, forty-two million, twenty-one thousand, one hundred three".