4341021402121 has 2 divisors, whose sum is σ = 4341021402122. Its totient is φ = 4341021402120.

The previous prime is 4341021402073. The next prime is 4341021402233. The reversal of 4341021402121 is 1212041201434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2694390931600 + 1646630470521 = 1641460^2 + 1283211^2 .

It is a cyclic number.

It is not a de Polignac number, because 4341021402121 - 2¹¹ = 4341021400073 is a prime.

It is not a weakly prime, because it can be changed into another prime (4341021402721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2170510701060 + 2170510701061.

It is an arithmetic number, because the mean of its divisors is an integer number (2170510701061).

Almost surely, 2^{4341021402121} is an apocalyptic number.

It is an amenable number.

4341021402121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4341021402121 is an equidigital number, since it uses as much as digits as its factorization.

4341021402121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 4341021402121 its reverse (1212041201434), we get a palindrome (5553062603555).

The spelling of 4341021402121 in words is "four trillion, three hundred forty-one billion, twenty-one million, four hundred two thousand, one hundred twenty-one".