3311221202221 has 8 divisors (see below), whose sum is σ = 3455239532544. Its totient is φ = 3167207221200.

The previous prime is 3311221202213. The next prime is 3311221202257. The reversal of 3311221202221 is 1222021221133.

3311221202221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3311221202221 - 2³ = 3311221202213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3311221202192 and 3311221202201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311221203221) 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, 518935 + ... + 2625211.

It is an arithmetic number, because the mean of its divisors is an integer number (431904941568).

Almost surely, 2^{3311221202221} is an apocalyptic number.

It is an amenable number.

3311221202221 is a deficient number, since it is larger than the sum of its proper divisors (144018330323).

3311221202221 is a wasteful number, since it uses less digits than its factorization.

3311221202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174651.

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

Adding to 3311221202221 its reverse (1222021221133), we get a palindrome (4533242423354).

The spelling of 3311221202221 in words is "three trillion, three hundred eleven billion, two hundred twenty-one million, two hundred two thousand, two hundred twenty-one".