7115011062121 has 4 divisors (see below), whose sum is σ = 7115028047172. Its totient is φ = 7114994077072.

The previous prime is 7115011062097. The next prime is 7115011062157. The reversal of 7115011062121 is 1212601105117.

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 4865835986496 + 2249175075625 = 2205864^2 + 1499725^2 .

It is a cyclic number.

It is not a de Polignac number, because 7115011062121 - 2³¹ = 7112863578473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7115011062121.

It is not an unprimeable number, because it can be changed into a prime (7115011062221) 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, 7847866 + ... + 8707411.

It is an arithmetic number, because the mean of its divisors is an integer number (1778757011793).

Almost surely, 2^{7115011062121} is an apocalyptic number.

It is an amenable number.

7115011062121 is a deficient number, since it is larger than the sum of its proper divisors (16985051).

7115011062121 is a wasteful number, since it uses less digits than its factorization.

7115011062121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16985050.

The product of its (nonzero) digits is 840, while the sum is 28.

Adding to 7115011062121 its reverse (1212601105117), we get a palindrome (8327612167238).

The spelling of 7115011062121 in words is "seven trillion, one hundred fifteen billion, eleven million, sixty-two thousand, one hundred twenty-one".