21222023023241 has 2 divisors, whose sum is σ = 21222023023242. Its totient is φ = 21222023023240.

The previous prime is 21222023023183. The next prime is 21222023023339. The reversal of 21222023023241 is 14232032022212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18503943227641 + 2718079795600 = 4301621^2 + 1648660^2 .

It is a cyclic number.

It is not a de Polignac number, because 21222023023241 - 2³⁴ = 21204843154057 is a prime.

It is a super-2 number, since 2×21222023023241² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21222023023241.

It is not a weakly prime, because it can be changed into another prime (21222023023441) 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 as a sum of consecutive naturals, namely, 10611011511620 + 10611011511621.

It is an arithmetic number, because the mean of its divisors is an integer number (10611011511621).

Almost surely, 2^{21222023023241} is an apocalyptic number.

It is an amenable number.

21222023023241 is a deficient number, since it is larger than the sum of its proper divisors (1).

21222023023241 is an equidigital number, since it uses as much as digits as its factorization.

21222023023241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 21222023023241 its reverse (14232032022212), we get a palindrome (35454055045453).

The spelling of 21222023023241 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-three million, twenty-three thousand, two hundred forty-one".