4303320042121 has 2 divisors, whose sum is σ = 4303320042122. Its totient is φ = 4303320042120.

The previous prime is 4303320042101. The next prime is 4303320042167. The reversal of 4303320042121 is 1212400233034.

4303320042121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2392082916496 + 1911237125625 = 1546636^2 + 1382475^2 .

It is a cyclic number.

It is not a de Polignac number, because 4303320042121 - 2²¹ = 4303317944969 is a prime.

It is not a weakly prime, because it can be changed into another prime (4303320042101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2151660021060 + 2151660021061.

It is an arithmetic number, because the mean of its divisors is an integer number (2151660021061).

Almost surely, 2^{4303320042121} is an apocalyptic number.

It is an amenable number.

4303320042121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4303320042121 is an equidigital number, since it uses as much as digits as its factorization.

4303320042121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 4303320042121 its reverse (1212400233034), we get a palindrome (5515720275155).

The spelling of 4303320042121 in words is "four trillion, three hundred three billion, three hundred twenty million, forty-two thousand, one hundred twenty-one".