20222010212321 has 2 divisors, whose sum is σ = 20222010212322. Its totient is φ = 20222010212320.

The previous prime is 20222010212251. The next prime is 20222010212419. The reversal of 20222010212321 is 12321201022202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15194123345296 + 5027886867025 = 3897964^2 + 2242295^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222010212321 - 2¹⁰ = 20222010211297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20222010212293 and 20222010212302.

It is not a weakly prime, because it can be changed into another prime (20222010212021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111005106160 + 10111005106161.

It is an arithmetic number, because the mean of its divisors is an integer number (10111005106161).

Almost surely, 2^{20222010212321} is an apocalyptic number.

It is an amenable number.

20222010212321 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222010212321 is an equidigital number, since it uses as much as digits as its factorization.

20222010212321 is an evil number, because the sum of its binary digits is even.

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

Adding to 20222010212321 its reverse (12321201022202), we get a palindrome (32543211234523).

The spelling of 20222010212321 in words is "twenty trillion, two hundred twenty-two billion, ten million, two hundred twelve thousand, three hundred twenty-one".