121030423321 has 2 divisors, whose sum is σ = 121030423322. Its totient is φ = 121030423320.

The previous prime is 121030423289. The next prime is 121030423357. The reversal of 121030423321 is 123324030121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98447847696 + 22582575625 = 313764^2 + 150275^2 .

It is a cyclic number.

It is not a de Polignac number, because 121030423321 - 2⁵ = 121030423289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121030423292 and 121030423301.

It is not a weakly prime, because it can be changed into another prime (121030423391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515211660 + 60515211661.

It is an arithmetic number, because the mean of its divisors is an integer number (60515211661).

Almost surely, 2^121030423321 is an apocalyptic number.

It is an amenable number.

121030423321 is a deficient number, since it is larger than the sum of its proper divisors (1).

121030423321 is an equidigital number, since it uses as much as digits as its factorization.

121030423321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121030423321 its reverse (123324030121), we get a palindrome (244354453442).

The spelling of 121030423321 in words is "one hundred twenty-one billion, thirty million, four hundred twenty-three thousand, three hundred twenty-one".