7013021242121 has 8 divisors (see below), whose sum is σ = 7030031155200. Its totient is φ = 6996012997680.

The previous prime is 7013021242091. The next prime is 7013021242153. The reversal of 7013021242121 is 1212421203107.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7013021242121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7013021242621) 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 7 ways as a sum of consecutive naturals, for example, 8214950 + ... + 9028368.

It is an arithmetic number, because the mean of its divisors is an integer number (878753894400).

Almost surely, 2^{7013021242121} is an apocalyptic number.

It is an amenable number.

7013021242121 is a deficient number, since it is larger than the sum of its proper divisors (17009913079).

7013021242121 is a wasteful number, since it uses less digits than its factorization.

7013021242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834319.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 7013021242121 its reverse (1212421203107), we get a palindrome (8225442445228).

The spelling of 7013021242121 in words is "seven trillion, thirteen billion, twenty-one million, two hundred forty-two thousand, one hundred twenty-one".