3102221233221 has 16 divisors (see below), whose sum is σ = 4574134424640. Its totient is φ = 1854378817920.

The previous prime is 3102221233213. The next prime is 3102221233313. The reversal of 3102221233221 is 1223321222013.

It is not a de Polignac number, because 3102221233221 - 2³ = 3102221233213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3102221233191 and 3102221233200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102221233021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643879126 + ... + 643883943.

It is an arithmetic number, because the mean of its divisors is an integer number (285883401540).

Almost surely, 2^{3102221233221} is an apocalyptic number.

It is an amenable number.

3102221233221 is a deficient number, since it is larger than the sum of its proper divisors (1471913191419).

3102221233221 is a wasteful number, since it uses less digits than its factorization.

3102221233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287763156.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 3102221233221 its reverse (1223321222013), we get a palindrome (4325542455234).

The spelling of 3102221233221 in words is "three trillion, one hundred two billion, two hundred twenty-one million, two hundred thirty-three thousand, two hundred twenty-one".