1010201121173 has 2 divisors, whose sum is σ = 1010201121174. Its totient is φ = 1010201121172.

The previous prime is 1010201121157. The next prime is 1010201121227. The reversal of 1010201121173 is 3711211020101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 860705218564 + 149495902609 = 927742^2 + 386647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010201121173 - 2⁴ = 1010201121157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010201121133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505100560586 + 505100560587.

It is an arithmetic number, because the mean of its divisors is an integer number (505100560587).

Almost surely, 2^{1010201121173} is an apocalyptic number.

It is an amenable number.

1010201121173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010201121173 is an equidigital number, since it uses as much as digits as its factorization.

1010201121173 is an evil number, because the sum of its binary digits is even.

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

Adding to 1010201121173 its reverse (3711211020101), we get a palindrome (4721412141274).

The spelling of 1010201121173 in words is "one trillion, ten billion, two hundred one million, one hundred twenty-one thousand, one hundred seventy-three".