3102223212221 has 8 divisors (see below), whose sum is σ = 3545408684160. Its totient is φ = 2659040422128.

The previous prime is 3102223212211. The next prime is 3102223212227. The reversal of 3102223212221 is 1222123222013.

It is a happy number.

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 3102223212221 - 2²⁶ = 3102156103357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102223212227) 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, 3760835 + ... + 4510911.

It is an arithmetic number, because the mean of its divisors is an integer number (443176085520).

Almost surely, 2^{3102223212221} is an apocalyptic number.

It is an amenable number.

3102223212221 is a deficient number, since it is larger than the sum of its proper divisors (443185471939).

3102223212221 is an equidigital number, since it uses as much as digits as its factorization.

3102223212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340923.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 3102223212221 its reverse (1222123222013), we get a palindrome (4324346434234).

The spelling of 3102223212221 in words is "three trillion, one hundred two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred twenty-one".