2241124021 has 2 divisors, whose sum is σ = 2241124022. Its totient is φ = 2241124020.

The previous prime is 2241124019. The next prime is 2241124033. The reversal of 2241124021 is 1204211422.

2241124021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1836551025 + 404572996 = 42855^2 + 20114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2241124021 - 2¹ = 2241124019 is a prime.

Together with 2241124019, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2241124021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2241124121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120562010 + 1120562011.

It is an arithmetic number, because the mean of its divisors is an integer number (1120562011).

Almost surely, 2^2241124021 is an apocalyptic number.

It is an amenable number.

2241124021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2241124021 is an equidigital number, since it uses as much as digits as its factorization.

2241124021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2241124021 is about 47340.5114146436. The cubic root of 2241124021 is about 1308.6453414805.

Adding to 2241124021 its reverse (1204211422), we get a palindrome (3445335443).

The spelling of 2241124021 in words is "two billion, two hundred forty-one million, one hundred twenty-four thousand, twenty-one".