4103077721321 has 2 divisors, whose sum is σ = 4103077721322. Its totient is φ = 4103077721320.

The previous prime is 4103077721299. The next prime is 4103077721333. The reversal of 4103077721321 is 1231277703014.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4100884204096 + 2193517225 = 2025064^2 + 46835^2 .

It is a cyclic number.

It is not a de Polignac number, because 4103077721321 - 2¹⁸ = 4103077459177 is a prime.

It is not a weakly prime, because it can be changed into another prime (4103077721371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051538860660 + 2051538860661.

It is an arithmetic number, because the mean of its divisors is an integer number (2051538860661).

Almost surely, 2^{4103077721321} is an apocalyptic number.

It is an amenable number.

4103077721321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4103077721321 is an equidigital number, since it uses as much as digits as its factorization.

4103077721321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 4103077721321 in words is "four trillion, one hundred three billion, seventy-seven million, seven hundred twenty-one thousand, three hundred twenty-one".