4320231042121 has 2 divisors, whose sum is σ = 4320231042122. Its totient is φ = 4320231042120.

The previous prime is 4320231042103. The next prime is 4320231042131. The reversal of 4320231042121 is 1212401320234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2546976605625 + 1773254436496 = 1595925^2 + 1331636^2 .

It is a cyclic number.

It is not a de Polignac number, because 4320231042121 - 2⁷ = 4320231041993 is a prime.

It is not a weakly prime, because it can be changed into another prime (4320231042131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160115521060 + 2160115521061.

It is an arithmetic number, because the mean of its divisors is an integer number (2160115521061).

Almost surely, 2^{4320231042121} is an apocalyptic number.

It is an amenable number.

4320231042121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320231042121 is an equidigital number, since it uses as much as digits as its factorization.

4320231042121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4320231042121 its reverse (1212401320234), we get a palindrome (5532632362355).

The spelling of 4320231042121 in words is "four trillion, three hundred twenty billion, two hundred thirty-one million, forty-two thousand, one hundred twenty-one".