1022120201173 has 2 divisors, whose sum is σ = 1022120201174. Its totient is φ = 1022120201172.

The previous prime is 1022120201161. The next prime is 1022120201231. The reversal of 1022120201173 is 3711020212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948991602244 + 73128598929 = 974162^2 + 270423^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022120201173 - 2³⁷ = 884681247701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022120205173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511060100586 + 511060100587.

It is an arithmetic number, because the mean of its divisors is an integer number (511060100587).

Almost surely, 2^{1022120201173} is an apocalyptic number.

It is an amenable number.

1022120201173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022120201173 is an equidigital number, since it uses as much as digits as its factorization.

1022120201173 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 1022120201173 its reverse (3711020212201), we get a palindrome (4733140413374).

The spelling of 1022120201173 in words is "one trillion, twenty-two billion, one hundred twenty million, two hundred one thousand, one hundred seventy-three".