10101220101173 has 2 divisors, whose sum is σ = 10101220101174. Its totient is φ = 10101220101172.

The previous prime is 10101220101169. The next prime is 10101220101229. The reversal of 10101220101173 is 37110102210101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7255362442084 + 2845857659089 = 2693578^2 + 1686967^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101220101173 - 2² = 10101220101169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101220101143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050610050586 + 5050610050587.

It is an arithmetic number, because the mean of its divisors is an integer number (5050610050587).

Almost surely, 2^{10101220101173} is an apocalyptic number.

It is an amenable number.

10101220101173 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101220101173 is an equidigital number, since it uses as much as digits as its factorization.

10101220101173 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 10101220101173 its reverse (37110102210101), we get a palindrome (47211322311274).

The spelling of 10101220101173 in words is "ten trillion, one hundred one billion, two hundred twenty million, one hundred one thousand, one hundred seventy-three".