6868214121 has 8 divisors (see below), whose sum is σ = 9158017024. Its totient is φ = 4578610320.

The previous prime is 6868214117. The next prime is 6868214141. The reversal of 6868214121 is 1214128686.

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

It is not a de Polignac number, because 6868214121 - 2² = 6868214117 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 6868214121.

It is not an unprimeable number, because it can be changed into a prime (6868214141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76440 + ... + 139926.

It is an arithmetic number, because the mean of its divisors is an integer number (1144752128).

Almost surely, 2^6868214121 is an apocalyptic number.

It is an amenable number.

6868214121 is a deficient number, since it is larger than the sum of its proper divisors (2289802903).

6868214121 is a wasteful number, since it uses less digits than its factorization.

6868214121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99551.

The product of its digits is 36864, while the sum is 39.

The square root of 6868214121 is about 82874.6892663858. The cubic root of 6868214121 is about 1900.8504153379.

The spelling of 6868214121 in words is "six billion, eight hundred sixty-eight million, two hundred fourteen thousand, one hundred twenty-one".