3221211404201 has 12 divisors (see below), whose sum is σ = 3747530893140. Its totient is φ = 2760738140160.

The previous prime is 3221211404189. The next prime is 3221211404233. The reversal of 3221211404201 is 1024041121223.

It can be written as a sum of positive squares in 2 ways, for example, as 1224289138576 + 1996922265625 = 1106476^2 + 1413125^2 .

It is not a de Polignac number, because 3221211404201 - 2¹⁰ = 3221211403177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221211404291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3118040 + ... + 4020521.

It is an arithmetic number, because the mean of its divisors is an integer number (312294241095).

Almost surely, 2^{3221211404201} is an apocalyptic number.

It is an amenable number.

3221211404201 is a deficient number, since it is larger than the sum of its proper divisors (526319488939).

3221211404201 is an equidigital number, since it uses as much as digits as its factorization.

3221211404201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147784 (or 7147777 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 3221211404201 its reverse (1024041121223), we get a palindrome (4245252525424).

The spelling of 3221211404201 in words is "three trillion, two hundred twenty-one billion, two hundred eleven million, four hundred four thousand, two hundred one".