1020222011173 has 2 divisors, whose sum is σ = 1020222011174. Its totient is φ = 1020222011172.

The previous prime is 1020222011119. The next prime is 1020222011203. The reversal of 1020222011173 is 3711102220201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 721687628484 + 298534382689 = 849522^2 + 546383^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020222011173 - 2¹⁷ = 1020221880101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020222011873) 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, 510111005586 + 510111005587.

It is an arithmetic number, because the mean of its divisors is an integer number (510111005587).

Almost surely, 2^{1020222011173} is an apocalyptic number.

It is an amenable number.

1020222011173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020222011173 is an equidigital number, since it uses as much as digits as its factorization.

1020222011173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 1020222011173 its reverse (3711102220201), we get a palindrome (4731324231374).

The spelling of 1020222011173 in words is "one trillion, twenty billion, two hundred twenty-two million, eleven thousand, one hundred seventy-three".