3311022221221 has 16 divisors (see below), whose sum is σ = 4118688278208. Its totient is φ = 2615040172800.

The previous prime is 3311022221203. The next prime is 3311022221231. The reversal of 3311022221221 is 1221222201133.

It is not a de Polignac number, because 3311022221221 - 2¹⁹ = 3311021696933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3311022221192 and 3311022221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311022221231) 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, 680997615 + ... + 681002476.

It is an arithmetic number, because the mean of its divisors is an integer number (257418017388).

Almost surely, 2^{3311022221221} is an apocalyptic number.

It is an amenable number.

3311022221221 is a deficient number, since it is larger than the sum of its proper divisors (807666056987).

3311022221221 is a wasteful number, since it uses less digits than its factorization.

3311022221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362000132.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 3311022221221 its reverse (1221222201133), we get a palindrome (4532244422354).

The spelling of 3311022221221 in words is "three trillion, three hundred eleven billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-one".