4021221012023 has 2 divisors, whose sum is σ = 4021221012024. Its totient is φ = 4021221012022.

The previous prime is 4021221011981. The next prime is 4021221012037. The reversal of 4021221012023 is 3202101221204.

4021221012023 is digitally balanced in base 2 and base 3, because in such bases 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 4021221012023 - 2²⁴ = 4021204234807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4021221011986 and 4021221012004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021221012323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010610506011 + 2010610506012.

It is an arithmetic number, because the mean of its divisors is an integer number (2010610506012).

Almost surely, 2^{4021221012023} is an apocalyptic number.

4021221012023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021221012023 is an equidigital number, since it uses as much as digits as its factorization.

4021221012023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4021221012023 its reverse (3202101221204), we get a palindrome (7223322233227).

The spelling of 4021221012023 in words is "four trillion, twenty-one billion, two hundred twenty-one million, twelve thousand, twenty-three".