103323111312221 has 2 divisors, whose sum is σ = 103323111312222. Its totient is φ = 103323111312220.

The previous prime is 103323111312203. The next prime is 103323111312233. The reversal of 103323111312221 is 122213111323301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52609998225625 + 50713113086596 = 7253275^2 + 7121314^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103323111312221 is a prime.

It is a super-2 number, since 2×103323111312221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103323111312121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51661555656110 + 51661555656111.

It is an arithmetic number, because the mean of its divisors is an integer number (51661555656111).

Almost surely, 2^{103323111312221} is an apocalyptic number.

It is an amenable number.

103323111312221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103323111312221 is an equidigital number, since it uses as much as digits as its factorization.

103323111312221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 103323111312221 its reverse (122213111323301), we get a palindrome (225536222635522).

The spelling of 103323111312221 in words is "one hundred three trillion, three hundred twenty-three billion, one hundred eleven million, three hundred twelve thousand, two hundred twenty-one".