3103132101221 has 2 divisors, whose sum is σ = 3103132101222. Its totient is φ = 3103132101220.

The previous prime is 3103132101203. The next prime is 3103132101241. The reversal of 3103132101221 is 1221012313013.

It is a happy number.

It is an a-pointer prime, because the next prime (3103132101241) can be obtained adding 3103132101221 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2981282236321 + 121849864900 = 1726639^2 + 349070^2 .

It is a cyclic number.

It is not a de Polignac number, because 3103132101221 - 2³⁴ = 3085952232037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3103132101193 and 3103132101202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3103132101241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551566050610 + 1551566050611.

It is an arithmetic number, because the mean of its divisors is an integer number (1551566050611).

Almost surely, 2^{3103132101221} is an apocalyptic number.

It is an amenable number.

3103132101221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3103132101221 is an equidigital number, since it uses as much as digits as its factorization.

3103132101221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3103132101221 its reverse (1221012313013), we get a palindrome (4324144414234).

The spelling of 3103132101221 in words is "three trillion, one hundred three billion, one hundred thirty-two million, one hundred one thousand, two hundred twenty-one".