3221013210985 has 4 divisors (see below), whose sum is σ = 3865215853188. Its totient is φ = 2576810568784.

The previous prime is 3221013210937. The next prime is 3221013211027. The reversal of 3221013210985 is 5890123101223.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2329741269801 + 891271941184 = 1526349^2 + 944072^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221013210985 - 2¹¹ = 3221013208937 is a prime.

It is a super-2 number, since 2×3221013210985² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322101321094 + ... + 322101321103.

It is an arithmetic number, because the mean of its divisors is an integer number (966303963297).

Almost surely, 2^{3221013210985} is an apocalyptic number.

It is an amenable number.

3221013210985 is a deficient number, since it is larger than the sum of its proper divisors (644202642203).

3221013210985 is an equidigital number, since it uses as much as digits as its factorization.

3221013210985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644202642202.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 3221013210985 in words is "three trillion, two hundred twenty-one billion, thirteen million, two hundred ten thousand, nine hundred eighty-five".