4021221012307 has 2 divisors, whose sum is σ = 4021221012308. Its totient is φ = 4021221012306.

The previous prime is 4021221012299. The next prime is 4021221012311. The reversal of 4021221012307 is 7032101221204.

4021221012307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4021221012307 - 2³ = 4021221012299 is a prime.

It is not a weakly prime, because it can be changed into another prime (4021221012377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010610506153 + 2010610506154.

It is an arithmetic number, because the mean of its divisors is an integer number (2010610506154).

Almost surely, 2^{4021221012307} is an apocalyptic number.

4021221012307 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021221012307 is an equidigital number, since it uses as much as digits as its factorization.

4021221012307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The spelling of 4021221012307 in words is "four trillion, twenty-one billion, two hundred twenty-one million, twelve thousand, three hundred seven".