85834017201221 has 8 divisors (see below), whose sum is σ = 85846772688000. Its totient is φ = 85821262398432.

The previous prime is 85834017201209. The next prime is 85834017201223. The reversal of 85834017201221 is 12210271043858.

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-85834017201221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85834017201223) 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, 285488030 + ... + 285788528.

It is an arithmetic number, because the mean of its divisors is an integer number (10730846586000).

Almost surely, 2^{85834017201221} is an apocalyptic number.

It is an amenable number.

85834017201221 is a deficient number, since it is larger than the sum of its proper divisors (12755486779).

85834017201221 is a wasteful number, since it uses less digits than its factorization.

85834017201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341995.

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 85834017201221 in words is "eighty-five trillion, eight hundred thirty-four billion, seventeen million, two hundred one thousand, two hundred twenty-one".