3221240303201 has 4 divisors (see below), whose sum is σ = 3221615005332. Its totient is φ = 3220865601072.

The previous prime is 3221240303173. The next prime is 3221240303209. The reversal of 3221240303201 is 1023030421223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2688537384976 + 532702918225 = 1639676^2 + 729865^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221240303201 - 2²² = 3221236108897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221240303209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187338170 + ... + 187355363.

It is an arithmetic number, because the mean of its divisors is an integer number (805403751333).

Almost surely, 2^{3221240303201} is an apocalyptic number.

It is an amenable number.

3221240303201 is a deficient number, since it is larger than the sum of its proper divisors (374702131).

3221240303201 is an equidigital number, since it uses as much as digits as its factorization.

3221240303201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374702130.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 3221240303201 its reverse (1023030421223), we get a palindrome (4244270724424).

The spelling of 3221240303201 in words is "three trillion, two hundred twenty-one billion, two hundred forty million, three hundred three thousand, two hundred one".