1021222030013 has 2 divisors, whose sum is σ = 1021222030014. Its totient is φ = 1021222030012.

The previous prime is 1021222030001. The next prime is 1021222030027. The reversal of 1021222030013 is 3100302221201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980500000804 + 40722029209 = 990202^2 + 201797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021222030013 - 2¹⁴ = 1021222013629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021222029973 and 1021222030000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021222000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510611015006 + 510611015007.

It is an arithmetic number, because the mean of its divisors is an integer number (510611015007).

Almost surely, 2^{1021222030013} is an apocalyptic number.

It is an amenable number.

1021222030013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021222030013 is an equidigital number, since it uses as much as digits as its factorization.

1021222030013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1021222030013 its reverse (3100302221201), we get a palindrome (4121524251214).

The spelling of 1021222030013 in words is "one trillion, twenty-one billion, two hundred twenty-two million, thirty thousand, thirteen".