3221148619261 has 2 divisors, whose sum is σ = 3221148619262. Its totient is φ = 3221148619260.

The previous prime is 3221148619253. The next prime is 3221148619291. The reversal of 3221148619261 is 1629168411223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3039813172036 + 181335447225 = 1743506^2 + 425835^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221148619261 - 2³ = 3221148619253 is a prime.

It is a super-2 number, since 2×3221148619261² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221148619201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610574309630 + 1610574309631.

It is an arithmetic number, because the mean of its divisors is an integer number (1610574309631).

Almost surely, 2^{3221148619261} is an apocalyptic number.

It is an amenable number.

3221148619261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221148619261 is an equidigital number, since it uses as much as digits as its factorization.

3221148619261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The spelling of 3221148619261 in words is "three trillion, two hundred twenty-one billion, one hundred forty-eight million, six hundred nineteen thousand, two hundred sixty-one".