10343320210121 has 2 divisors, whose sum is σ = 10343320210122. Its totient is φ = 10343320210120.

The previous prime is 10343320210087. The next prime is 10343320210129. The reversal of 10343320210121 is 12101202334301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5505761902096 + 4837558308025 = 2346436^2 + 2199445^2 .

It is a cyclic number.

It is not a de Polignac number, because 10343320210121 - 2⁴² = 5945273699017 is a prime.

It is not a weakly prime, because it can be changed into another prime (10343320210129) 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, 5171660105060 + 5171660105061.

It is an arithmetic number, because the mean of its divisors is an integer number (5171660105061).

Almost surely, 2^{10343320210121} is an apocalyptic number.

It is an amenable number.

10343320210121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10343320210121 is an equidigital number, since it uses as much as digits as its factorization.

10343320210121 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 23.

Adding to 10343320210121 its reverse (12101202334301), we get a palindrome (22444522544422).

The spelling of 10343320210121 in words is "ten trillion, three hundred forty-three billion, three hundred twenty million, two hundred ten thousand, one hundred twenty-one".