7067106666121 has 4 divisors (see below), whose sum is σ = 7069379781700. Its totient is φ = 7064833550544.

The previous prime is 7067106666071. The next prime is 7067106666143. The reversal of 7067106666121 is 1216666017607.

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 2589379814025 + 4477726852096 = 1609155^2 + 2116064^2 .

It is a cyclic number.

It is not a de Polignac number, because 7067106666121 - 2⁹ = 7067106665609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7017106666121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136553126 + ... + 1136559343.

It is an arithmetic number, because the mean of its divisors is an integer number (1767344945425).

Almost surely, 2^{7067106666121} is an apocalyptic number.

It is an amenable number.

7067106666121 is a deficient number, since it is larger than the sum of its proper divisors (2273115579).

7067106666121 is a wasteful number, since it uses less digits than its factorization.

7067106666121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273115578.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 7067106666121 in words is "seven trillion, sixty-seven billion, one hundred six million, six hundred sixty-six thousand, one hundred twenty-one".