4021421233303 has 2 divisors, whose sum is σ = 4021421233304. Its totient is φ = 4021421233302.

The previous prime is 4021421233267. The next prime is 4021421233363. The reversal of 4021421233303 is 3033321241204.

It is a happy number.

4021421233303 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021421233303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021421233363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010710616651 + 2010710616652.

It is an arithmetic number, because the mean of its divisors is an integer number (2010710616652).

Almost surely, 2^{4021421233303} is an apocalyptic number.

4021421233303 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021421233303 is an equidigital number, since it uses as much as digits as its factorization.

4021421233303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 4021421233303 its reverse (3033321241204), we get a palindrome (7054742474507).

The spelling of 4021421233303 in words is "four trillion, twenty-one billion, four hundred twenty-one million, two hundred thirty-three thousand, three hundred three".