3221401221201 has 16 divisors (see below), whose sum is σ = 4377846191040. Its totient is φ = 2106308218560.

The previous prime is 3221401221191. The next prime is 3221401221223. The reversal of 3221401221201 is 1021221041223.

It is a happy number.

3221401221201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3221401221201 - 2⁵ = 3221401221169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221401222201) 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, 3275106 + ... + 4143563.

It is an arithmetic number, because the mean of its divisors is an integer number (273615386940).

Almost surely, 2^{3221401221201} is an apocalyptic number.

It is an amenable number.

3221401221201 is a deficient number, since it is larger than the sum of its proper divisors (1156444969839).

3221401221201 is a wasteful number, since it uses less digits than its factorization.

3221401221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7421456.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 3221401221201 its reverse (1021221041223), we get a palindrome (4242622262424).

The spelling of 3221401221201 in words is "three trillion, two hundred twenty-one billion, four hundred one million, two hundred twenty-one thousand, two hundred one".