10021120101173 has 2 divisors, whose sum is σ = 10021120101174. Its totient is φ = 10021120101172.

The previous prime is 10021120101169. The next prime is 10021120101259. The reversal of 10021120101173 is 37110102112001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9918858934084 + 102261167089 = 3149422^2 + 319783^2 .

It is a cyclic number.

It is not a de Polignac number, because 10021120101173 - 2² = 10021120101169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021120101073) 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, 5010560050586 + 5010560050587.

It is an arithmetic number, because the mean of its divisors is an integer number (5010560050587).

Almost surely, 2^{10021120101173} is an apocalyptic number.

It is an amenable number.

10021120101173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021120101173 is an equidigital number, since it uses as much as digits as its factorization.

10021120101173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 10021120101173 its reverse (37110102112001), we get a palindrome (47131222213174).

The spelling of 10021120101173 in words is "ten trillion, twenty-one billion, one hundred twenty million, one hundred one thousand, one hundred seventy-three".