103323111123121 has 2 divisors, whose sum is σ = 103323111123122. Its totient is φ = 103323111123120.

The previous prime is 103323111123101. The next prime is 103323111123131. The reversal of 103323111123121 is 121321111323301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100512254336400 + 2810856786721 = 10025580^2 + 1676561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103323111123121 is a prime.

It is not a weakly prime, because it can be changed into another prime (103323111123101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51661555561560 + 51661555561561.

It is an arithmetic number, because the mean of its divisors is an integer number (51661555561561).

Almost surely, 2^{103323111123121} is an apocalyptic number.

It is an amenable number.

103323111123121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103323111123121 is an equidigital number, since it uses as much as digits as its factorization.

103323111123121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 103323111123121 its reverse (121321111323301), we get a palindrome (224644222446422).

The spelling of 103323111123121 in words is "one hundred three trillion, three hundred twenty-three billion, one hundred eleven million, one hundred twenty-three thousand, one hundred twenty-one".