1002170601121 has 4 divisors (see below), whose sum is σ = 1003931885700. Its totient is φ = 1000409316544.

The previous prime is 1002170601097. The next prime is 1002170601139. The reversal of 1002170601121 is 1211060712001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 694162250896 + 308008350225 = 833164^2 + 554985^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002170601121 - 2⁹ = 1002170600609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002170601092 and 1002170601101.

It is not an unprimeable number, because it can be changed into a prime (1002170601181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880641436 + ... + 880642573.

It is an arithmetic number, because the mean of its divisors is an integer number (250982971425).

Almost surely, 2^{1002170601121} is an apocalyptic number.

It is an amenable number.

1002170601121 is a deficient number, since it is larger than the sum of its proper divisors (1761284579).

1002170601121 is an equidigital number, since it uses as much as digits as its factorization.

1002170601121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761284578.

The product of its (nonzero) digits is 168, while the sum is 22.

The spelling of 1002170601121 in words is "one trillion, two billion, one hundred seventy million, six hundred one thousand, one hundred twenty-one".