2041242021 has 48 divisors (see below), whose sum is σ = 3648153600. Its totient is φ = 1070979840.

The previous prime is 2041242001. The next prime is 2041242023. The reversal of 2041242021 is 1202421402.

It is not a de Polignac number, because 2041242021 - 2⁵ = 2041241989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2041241985 and 2041242003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041242023) 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 47 ways as a sum of consecutive naturals, for example, 149905 + ... + 162953.

It is an arithmetic number, because the mean of its divisors is an integer number (76003200).

Almost surely, 2^2041242021 is an apocalyptic number.

2041242021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2041242021 is a deficient number, since it is larger than the sum of its proper divisors (1606911579).

2041242021 is a wasteful number, since it uses less digits than its factorization.

2041242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13266 (or 13263 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2041242021 is about 45180.1064739781. The cubic root of 2041242021 is about 1268.5224764309.

Adding to 2041242021 its reverse (1202421402), we get a palindrome (3243663423).

The spelling of 2041242021 in words is "two billion, forty-one million, two hundred forty-two thousand, twenty-one".