123301102121 has 2 divisors, whose sum is σ = 123301102122. Its totient is φ = 123301102120.

The previous prime is 123301102087. The next prime is 123301102157. The reversal of 123301102121 is 121201103321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80145610000 + 43155492121 = 283100^2 + 207739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123301102121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123301102121.

It is not a weakly prime, because it can be changed into another prime (123301902121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650551060 + 61650551061.

It is an arithmetic number, because the mean of its divisors is an integer number (61650551061).

Almost surely, 2^123301102121 is an apocalyptic number.

It is an amenable number.

123301102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

123301102121 is an equidigital number, since it uses as much as digits as its factorization.

123301102121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 123301102121 its reverse (121201103321), we get a palindrome (244502205442).

The spelling of 123301102121 in words is "one hundred twenty-three billion, three hundred one million, one hundred two thousand, one hundred twenty-one".