3221575612601 has 2 divisors, whose sum is σ = 3221575612602. Its totient is φ = 3221575612600.

The previous prime is 3221575612597. The next prime is 3221575612603. The reversal of 3221575612601 is 1062165751223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2732276761600 + 489298851001 = 1652960^2 + 699499^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221575612601 - 2² = 3221575612597 is a prime.

Together with 3221575612603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3221575612603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610787806300 + 1610787806301.

It is an arithmetic number, because the mean of its divisors is an integer number (1610787806301).

Almost surely, 2^{3221575612601} is an apocalyptic number.

It is an amenable number.

3221575612601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221575612601 is an equidigital number, since it uses as much as digits as its factorization.

3221575612601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 3221575612601 in words is "three trillion, two hundred twenty-one billion, five hundred seventy-five million, six hundred twelve thousand, six hundred one".