8221216201039 has 4 divisors (see below), whose sum is σ = 8221241396160. Its totient is φ = 8221191005920.

The previous prime is 8221216201031. The next prime is 8221216201103. The reversal of 8221216201039 is 9301026121228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8221216201039 - 2³ = 8221216201031 is a prime.

It is a super-2 number, since 2×8221216201039² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8221216200989 and 8221216201007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221216201031) 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, 12101599 + ... + 12762880.

It is an arithmetic number, because the mean of its divisors is an integer number (2055310349040).

Almost surely, 2^{8221216201039} is an apocalyptic number.

8221216201039 is a deficient number, since it is larger than the sum of its proper divisors (25195121).

8221216201039 is a wasteful number, since it uses less digits than its factorization.

8221216201039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25195120.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 8221216201039 in words is "eight trillion, two hundred twenty-one billion, two hundred sixteen million, two hundred one thousand, thirty-nine".