71116722166121 has 8 divisors (see below), whose sum is σ = 76767676102080. Its totient is φ = 65679011774992.

The previous prime is 71116722166117. The next prime is 71116722166151. The reversal of 71116722166121 is 12166122761117.

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

It is a cyclic number.

It is not a de Polignac number, because 71116722166121 - 2² = 71116722166117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71116722166151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53310885515 + ... + 53310886848.

It is an arithmetic number, because the mean of its divisors is an integer number (9595959512760).

Almost surely, 2^{71116722166121} is an apocalyptic number.

It is an amenable number.

71116722166121 is a deficient number, since it is larger than the sum of its proper divisors (5650953935959).

71116722166121 is a wasteful number, since it uses less digits than its factorization.

71116722166121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106621772415.

The product of its digits is 84672, while the sum is 44.

The spelling of 71116722166121 in words is "seventy-one trillion, one hundred sixteen billion, seven hundred twenty-two million, one hundred sixty-six thousand, one hundred twenty-one".