4023210241221 has 4 divisors (see below), whose sum is σ = 5364280321632. Its totient is φ = 2682140160812.

The previous prime is 4023210241187. The next prime is 4023210241289. The reversal of 4023210241221 is 1221420123204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4023210241221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4023210241191 and 4023210241200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023210241021) 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 3 ways as a sum of consecutive naturals, for example, 670535040201 + ... + 670535040206.

It is an arithmetic number, because the mean of its divisors is an integer number (1341070080408).

Almost surely, 2^{4023210241221} is an apocalyptic number.

It is an amenable number.

4023210241221 is a deficient number, since it is larger than the sum of its proper divisors (1341070080411).

4023210241221 is a wasteful number, since it uses less digits than its factorization.

4023210241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341070080410.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 4023210241221 its reverse (1221420123204), we get a palindrome (5244630364425).

The spelling of 4023210241221 in words is "four trillion, twenty-three billion, two hundred ten million, two hundred forty-one thousand, two hundred twenty-one".