3102000223221 has 6 divisors (see below), whose sum is σ = 4480666989110. Its totient is φ = 2068000148808.

The previous prime is 3102000223213. The next prime is 3102000223243. The reversal of 3102000223221 is 1223220002013.

It can be written as a sum of positive squares in only one way, i.e., 2617843100625 + 484157122596 = 1617975^2 + 695814^2 .

It is not a de Polignac number, because 3102000223221 - 2³ = 3102000223213 is a prime.

It is a super-2 number, since 2×3102000223221² (a number of 26 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 = 3102000223194 and 3102000223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102000223211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172333345726 + ... + 172333345743.

Almost surely, 2^{3102000223221} is an apocalyptic number.

It is an amenable number.

3102000223221 is a deficient number, since it is larger than the sum of its proper divisors (1378666765889).

3102000223221 is a wasteful number, since it uses less digits than its factorization.

3102000223221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344666691475 (or 344666691472 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 3102000223221 its reverse (1223220002013), we get a palindrome (4325220225234).

The spelling of 3102000223221 in words is "three trillion, one hundred two billion, two hundred twenty-three thousand, two hundred twenty-one".