3223121032221 has 8 divisors (see below), whose sum is σ = 4361636421984. Its totient is φ = 2116676498640.

The previous prime is 3223121032217. The next prime is 3223121032237. The reversal of 3223121032221 is 1222301213223.

3223121032221 is digitally balanced in base 3, 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 not a de Polignac number, because 3223121032221 - 2² = 3223121032217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3223121032191 and 3223121032200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223121033221) 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, 8017713810 + ... + 8017714211.

It is an arithmetic number, because the mean of its divisors is an integer number (545204552748).

Almost surely, 2^{3223121032221} is an apocalyptic number.

It is an amenable number.

3223121032221 is a deficient number, since it is larger than the sum of its proper divisors (1138515389763).

3223121032221 is a wasteful number, since it uses less digits than its factorization.

3223121032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16035428091.

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

Adding to 3223121032221 its reverse (1222301213223), we get a palindrome (4445422245444).

The spelling of 3223121032221 in words is "three trillion, two hundred twenty-three billion, one hundred twenty-one million, thirty-two thousand, two hundred twenty-one".