103214321321 has 2 divisors, whose sum is σ = 103214321322. Its totient is φ = 103214321320.

The previous prime is 103214321303. The next prime is 103214321323. The reversal of 103214321321 is 123123412301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101579251225 + 1635070096 = 318715^2 + 40436^2 .

It is a cyclic number.

It is not a de Polignac number, because 103214321321 - 2¹⁴ = 103214304937 is a prime.

It is a super-2 number, since 2×103214321321² (a number of 23 digits) contains 22 as substring.

Together with 103214321323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103214321323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51607160660 + 51607160661.

It is an arithmetic number, because the mean of its divisors is an integer number (51607160661).

Almost surely, 2^103214321321 is an apocalyptic number.

It is an amenable number.

103214321321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103214321321 is an equidigital number, since it uses as much as digits as its factorization.

103214321321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 103214321321 its reverse (123123412301), we get a palindrome (226337733622).

The spelling of 103214321321 in words is "one hundred three billion, two hundred fourteen million, three hundred twenty-one thousand, three hundred twenty-one".